Using intValue() method of Long wrapper class. As we know, the long type can store larger values than int type. More: findingFrame.in.foreach{i => javaMethod(i) } Example 2 : Find the value of series of numbers. Aptitude que. How do I check if a string represents a number (float or int)? int a = (int) 100.00; But in Scala, you use the to* methods, as shown in this recipe. It also ignores the bit used for sign representation. Scala: How to convert a String to an Int (Integer) First of all, in Java, long values are represented by signed 64-bit numbers. How to convert hex string to int in Scala? - Includehelp.com Embedded Systems Here, we can use the built-in Math class method which is Math.toIntExac() to convert a long to an int in Java. You can pass this new object now. We use these for the clearest, smallest code. Conversions and Promotions Return Value: The method returns the numeric value which is represented by the object after conversion to the integer type. Convert Int to String in Scala | Delft Stack Originaly sum is 1500000000 Java Program to Convert long to int - GeeksforGeeks Moreover, if the long value is not in range of integer than it will return a equivalent negative value. Read 10 integers from user input and print the largest odd number entered. Use the toInt Method in Converting String to Integer in Scala In Scala, if we want to convert a String to an Integer, we can use the toInt method. @Ivan casts are inherently not typesafe. How to check whether a int is not null or empty? What is the differences between Int and Integer in Scala? 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Given: def myFn(findingFrame: FindingFrame) = { In typing casting, a data type is converted into another data type by the programmer using the casting operator during the program design. In Java, the long and an int are a primitive data types. Networks Blank popup when using onload() function in javascript with Google Chrome Extension development, jqgrid different editrules for when adding and editing, How to assign int value to integer variable, Java : Sort integer array without using Arrays.sort(). Since they are of different types the compiler gives an error. So, if the value stored in the long variable is greater than Integer.MAX_VALUE (2147483647) and less than Integer.MIN_VALUE(-2147483648) then it will lead to compile time error. Parameters: The method does not accept any parameters. JavaScript Find centralized, trusted content and collaborate around the technologies you use most. In the above code, we have created a hexadecimal string named hexString. Top Interview Coding Problems/Challenges! Thanks for contributing an answer to Stack Overflow! SEO DBMS For example, GETDATE (): It returns server datetime in "YYYY-MM-DD HH:mm:ss.fff" format. Convert hex string to long in Scala. A good use for it in your case, might be to make the decision to call or NOT to call the java method. A Type casting is basically a conversion from one type to another. After that, the Long representing one more than Integer.MAX_VALUE is shown with the results of attempting to convert that Long to an int using Long.intValue() and Math.toIntExact(Long). An Option may be either None (does not contain a value) or Some[T] (does contain a value) - None and Some are subclasses of Option here. scala> val n = 20 n: Int = 20 scala> new Integer(n) res0: Integer = 20 scala> res0.getClass res1: Class[_ <: Integer] = class java.lang.Integer Solution 3 Home It returns the value of this Long object as an int after a narrowing primitive conversion. Visa requirements check tool (or map) for holders of multiple passports/citizenships, Difference between subspace and subset in topology. Scala program to convert string to integer - Includehelp.com C : In this example, we are finding the summation of the numbers after converting the numbers to equivalent int value. If you want to avoid potential conversion errors when casting from one numeric type to another, you can use the related isValid methods to test whether the type can be converted before attempting the conversion. Intuitively it seems obvious, but I am curious to know. Convert long to int Type in Java | Baeldung 2.2. Converting Between Numeric Types (Casting) - Scala Cookbook [Book] Int is a smaller data type than long. How to add an element to an Array in Java? For example, consider below example to convert d_id column to integer type. This intVal is converted to a Long Integer value using the toLong method and prints the value using println method. Converting an Int to a String is handled using the toString method: scala> val i: Int = 42 i: Int = 42 scala> i.toString res0: String = 42 Copy To convert between a String and an Int there are two options. Generally Accepted Accounting Principles MCQs, Marginal Costing and Absorption Costing MCQs, Run-length encoding (find/print frequency of letters in a string), Sort an array of 0's, 1's and 2's in linear time complexity, Checking Anagrams (check whether two string is anagrams or not), Find the level in a binary tree with given sum K, Check whether a Binary Tree is BST (Binary Search Tree) or not, Capitalize first and last letter of each word in a line, Greedy Strategy to solve major algorithm problems. Example : In this example, we are taking two long objects one with the value greater than that supported by integer and other value is within the range of integer. News/Updates, ABOUT SECTION Share Follow answered May 31, 2019 at 16:00 Luis Miguel Meja Surez 20.7k 3 29 42 Add a comment 2 Converting String to Integer in Scala | Delft Stack Key points cast() - cast() is a function from Column class that is . Data Structure For example, We can convert int type to float type in Scala. There's many things you can do with options, for example: Given a number of int datatype in Java, your task is to write a Java program to convert this given int datatype into a long datatype. Syntax: string.toInt This will return the integer conversion of the string. Spark Cast String Type to Integer Type (int) A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Content Writers of the Month, SUBSCRIBE How to convert a scala Int to a java Integer? - 9to5answer.com How to convert a scala Int to a java Integer? How can I read the registry values using java? Making statements based on opinion; back them up with references or personal experience. A string can be converted to integer in Scala using the toInt method. How to determine length or size of an Array in Java? 1 int result = Convert.ToInt32(long value); c# convert long to int csharp by Chris PA on Aug 28 2020 Comment 0 xxxxxxxxxx 1 // wraps around 2 int myIntValue = unchecked( (int)myLongValue); 3 4 // throws OverflowException 5 Convert.ToInt32(myValue); Source: stackoverflow.com Add a Grepper Answer Answers related to "c# convert long to int" Web programming/HTML In this approach, we are using the method intValue of Long wrapper class to convert long to int value. How to use BigInt and BigDecimal when you need very large numbers in Scala val i: Int = 7 For any other feedbacks or questions you can either use the comments section or contact me form. Type Casting in Scala - GeeksforGeeks C DBMS Step2: Then, we will convert this integer value to long value using the toLong method. Cloud Computing How to convert between numeric types in Scala Scala Convert: String to Int, List and Array Converting from long to int 2587412369 is -1707554927, How to Compute Square in Java [Practical Examples], Converting from long to int 258741258 is 258741258, Exception in thread "main" Result will be :3000000 to stay connected and get the latest updates. C++ Privacy policy, STUDENT'S SECTION How do I change linux mint's default search in Chromium to normal? Scala: Change Column Type in Spark Data Frame - Spark & PySpark Java Program to Use finally block for Catching Exceptions. What is the size of column of int(11) in mysql in bytes? But Joda Time only provides getMillis and not getSeconds, so I have to get a Long millisecond-precise timestamp and divide it by 1000 to produce a standard Unix timestamp. Math class, Didn't find what you were looking for? To learn more, see our tips on writing great answers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Windows 7: Command Prompt won't CD into a network mapped drive. The Windows Phone SE site has been archived. Linux It can store 64-bit signed integer value. scala - How to convert a List [List [Long]] to a List [List [Int Using intValue () method of the Long wrapper class. Total amount at the end of duration will be 13000000, 6 ways to implement Hashing in Java [Practical Examples], Different methods to convert long to int in Java, Method-2: Using intValue() method of Long Class, Java Programming Examples on long to int conversion, Example 2 : Find the value of series of numbers, 1-100 Java Interview Questions and Answers, 101-200 Java Interview Questions and Answers. This function takes the argument string representing the type you wanted to convert or any type that is a subclass of DataType. There are basically three methods to convert long to int: In typing casting, a data type is converted into another data type by the programmer using the casting operator during the program design. How to Convert long to int in Java - CodeGym In typing casting, the destination data type may be smaller than the source data type when converting the data type to another data type, thats why it is also called narrowing conversion. Notify me via e-mail if anyone answers my comment. How to convert Double to String in Scala? If you want to avoid potential conversion errors when casting from one numeric type to another, you can use the related isValid methods to test whether the type can be converted before attempting the conversion. Count the number of features in a given map extent as dynamic text in map layout, Create the most broken race that is 'balanced' according to Detect Balance, How does one convert between Modified Julian Date (MJD) and a standard (mm/dd/yr, hr:mm:ss). Solution: Use 'toInt' If you need to convert a String to an Int in Scala, just use the toInt method, which is available on String objects, like this: scala> val i = "1".toInt i: Int = 1 As you can see, I just cast the string "1" to an Int object using the toInt method, which is available to any String. In this example, we are computing the simple interest using the principal stored as a long value. Method definition: def toString():String Return type: This method returns the string representation of the value. 1. bit_length () bit_length function returns the number of bits required to represent the number in binary format. So, when long value is assigned to int type variable, it leads to narrowing conversion. Java Programming Examples on long to int conversion. DOS c# convert long to int Code Example - codegrepper.com Example : In this example, long value is converted to int and when the long value does not fit in int variable it throws an ArithmeticException. Python bit functions on int(bit_length,to_bytes and from_bytes) Python CSS LinkedIn Long is a larger data type than int, we need to explicitly perform typecasting for the conversion. Syntax: val int_value = Integer.parseInt (hex_string , base) Program to convert hex string to int in Scala So, while using Type casting we need to ensure that the long value is between the range of the integer variable. In this example, we are finding the volume of cube stored as a long value and converting it to int value. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. If the string does not contain an integer it will throw an exception with will be NumberFormatException. I'd like to use the folowing function to convert from Joda Time to Unix timestamp: Time values I intend to get are never expected to be millisecond-precise, they are second-precise UTC by contract and are to be further stored (in a MySQL DB) as Int, standard Unix timestamps are our company standard for time records. This article will teach how to convert an integer to a string in Scala. Why do VOR A, B charts only have circle-to-land minimums, while VOR X,Y,Z charts have straight approach minimums too? As per the requirement of an application, we can choose an appropriate approach for conversion. Using toIntExact () method. types - How to cast Long to Int in Scala? - Stack Overflow scala> val intArr = arr.map(x => x.toInt) intArr: Array[Int] = Array(1, 12, 123) Obviously this will raise an exception if one of the element is not an integer : acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Full Stack Development with React & Node JS (Live), Preparation Package for Working Professional, Full Stack Development with React & Node JS(Live), GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Split() String method in Java with examples, Object Oriented Programming (OOPs) Concept in Java. Exact Conversion of Long to Int in Java - DZone Java This is due to the different sizes . How to convert a List[List[Long]] to a List[List[Int]]? SCALA Code Wave functions as being square-integrable vs. normalizable, A cheap piece of equipment/appliance that can help with reducing stock in a room not suited for cooking. It is available on String objects. We are also computing the total amount obtained at the end of duration. About us Languages: Stack Overflow for Teams is moving to its own domain! Scala Type Casting How to use badge notification in android? Here we convert an Int to a string. Java Converting from long to int -5288745 is -5288745, Converting from long to int 258741258 is 258741258 rev2022.11.18.43041. Machine learning at java.base/java.lang.Math.toIntExact(Math.java:1071) How to convert Int to Double in Scala? - Includehelp.com In this tutorial, we'll see how we can convert a long value to an int type in Java. Applications of asInstanceof method Facebook Scala number, date, and formatting examples | alvinalexander.com "Simple" integral with very long, complicated value, Numbered boxes to "List of Boxes" in Optex. Int is a 32-bit integer while long is a 64-bit integer. This is the simplest approach to convert long to int in Java. Computing simple interest. ToString. In real life applications, many times we will need to convert the value of one type to the other type. In Java 8, the Math class has a new method that will convert long to int. Originaly sum is 7000000000 I think most other answers cover it, your issue is with the use of Option, not with the difference between scala and java integers. @eugene-yokota, would you be so kind to explain why is .toInt better than asInstanceOf[Int]? It can store a 64-bit IEEE double-precision float value. Java Here, we will see several ways to convert a long to its equivalent int. Converting hex string to int A hexadecimal string can be converted to integer type using the parseInt () method of the Integer class that will parse the given string with a given base to an integer value. Can we prove the chain rule without using an artificial trick? Why would an intelligent species with male drones allow them on nuptial flights? C++ def toUnixTimeStamp (dt : DateTime) : Int = { val millis = dt.getMillis val seconds = if (millis % 1000 == 0) millis / 1000 else { throw new IllegalArgumentException ("Too precise timestamp") } if (seconds > 2147483647) { throw new IllegalArgumentException ("Timestamp out of range") } seconds } What should I do when my PhD adviser sends me a paper to read? What is this used for and what is it? (Wooden base, metal strip connecting two terminal blocks with finger nuts and small screws.). So you just need to wrap your scala Int into a Some as in the code above. And Integer can not passed directly to long, while we can use .toLong to convert it to Long which will automatically unbox to long. C++ C++ STL When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Submitted by Shivang Yadav, on May 28, 2020. Type Casting in Scala. And then we convert that string into an Int again. Articles This is a static method of Math class of java.lang package that returns the value of the long argument as an int. Conversion to and from a String in Scala | Baeldung on Scala Hex String also is known as the hexadecimal string is a string of hexadecimal digits i.e. Android Using Explicit Type Casting. In Dynamic Programming Languages like Scala, it often becomes necessary to cast from type to another.Type Casting in Scala is done using the asInstanceOf [] method. PHP The knowledge of converting long to an int in Java is very useful while working on real time applications. Contact us Perhaps I need to have some sleep :-]. By using some built-in function in SQL Server we can get the datetime value in specific format. Example: Input: intnum = 5 Output: longnum = 5 Input: intnum = 56 Output: longnum = 56. Connect and share knowledge within a single location that is structured and easy to search. & ans. new findingFrame("foo", Some(i), None). All you need to do is pass the int value to the constructor of Integer(). How do I get a full refund when my Airbnb accommodation was inaccessible due to a hurricane? Method Definition: (Number).toIntReturn Type: It returns the converted int datatype value. A better way to convert Integer (may be null) to int in Java? HR Moreover, it will throw an ArtihmeticException if the value overflows an int. Solved programs: I am reasonable new to scala and working with scala and Java together. https://www.includehelp.com some rights reserved. & ans. But this conversion cannot be two ways and is derived from certain types i.e. We can convert a hex string to long in Scala by following these steps, Program to convert hex string to long in Scala. Syntax: our_String.toInt Example Code: Here we will use the "CONVERT" function to convert a datetime into different format in SQL Server. If my articles on GoLinuxCloud has helped you, kindly consider buying me a coffee as a token of appreciation. Int Conversions The first data type we'll look at is Int. Although we can represent any number with as the maximum number of bits as we want by adding leading zeros, it returns the number after excluding the leading zeros. I think your problem is not so much about scala.Int vs. java.lang.Integer but the use of Option types. int a = (int) 100.00; But in Scala, you use the to* methods, as shown in this recipe. After conversion to int Result is 1500000000 Scala Int toInt() method with example - GeeksforGeeks 1. So, the statement: val i = "Hello".toInt will throw an exception instead of an integer. scala Best coding in the world All kind of code solution Spark DataFrame Column Type Conversion using CAST How to do such a cast? Convert a String to Character Array in Java. scala - How to convert a List[List[Long]] to a List[List[Int]]? Here it is: Math.toIntExact( value); The best thing about this method is that it controls the length of the converted number, and if the value is too large to fit into an int, it will throw an exception. The following code snippet shows some of the commonly used conversions: val df2 = df1.withColumn ("Str_Col1_Int", $"Str_Col1".cast ("int")).drop ("Str_Col1").withColumn ("Str_Col2_Date", $"Str_Col2".cast (DateType)).drop ("Str_Col2") df2.show () print (df2.schema) Output: : Computing the result of l + 10l + 20l + + 100l Compiles at least. Long.MAX_VALUE & Long.MIN_VALUE in Java [Practical Examples], Converting from long to int1598755584 is 1598755584 By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. C Long integers are storages for large integer values. CS Basics Example : In this example, we are showing explicit type conversions. Java CS Subjects: GETUTCDATE (): It returns datetime in GMT. Node.js Function DataFrame.cast can be used to convert data types. java.lang.ArithmeticException: integer overflow Type casting is the process of converting that type from one to another. I am not sure how to solve this.. Can somebody help me please? Subscribe through email. Embedded C How to Change Default Font Size in iTextSharp After Exporting GridView to PDF? Java Commentdocument.getElementById("comment").setAttribute( "id", "adc06f7e9875f1e99d6f9ba70f127134" );document.getElementById("gd19b63e6e").setAttribute( "id", "comment" ); Save my name and email in this browser for the next time I comment. Scala date and time examples. d_id column holds data which is of type integer. In the following code, type i is actually int, and int can passed to Random which requires long since int will convert to long automatically. Thank you. This is referred as a narrowing conversion. Here, this is going to be narrowing conversion. Web Technologies: Data Frame Column Type Conversion using CAST In this section, we will use the CAST function to convert the data type of the data frame column to the desired type. We can use this approach from Java 8 onwards to convert long to int value. DS Ajax Internship Java Program to Convert int to long - GeeksforGeeks Method-2: Using intValue () method of Long Class. Return:This method returns the input argument as an int(integer). I am trying to pass a scala Int into a method that accepts an Integer(java.long.Integer). Different methods to convert long to int in Java. (ugly) assume your option always has a value, just use get (, You can map the Option of integer into option of something else (, You can do both of the last two in one call (. Before we start coding, we need to point out some details about this data type. User input and print the largest odd number entered by the object after conversion to the other type integer long. Of bits required to represent the number of bits required to represent the number of bits required to represent number., see our tips on writing great answers based on opinion ; back them up with references or personal.. Scala int into a some as in the above code, we are finding the volume of cube as... Getutcdate ( ): string Return type: this method returns the numeric value is! We use these for the clearest, smallest code make the decision to the. Or size of column of int ( 11 ) in mysql in bytes intValue ( ) bit_length returns! And easy to search Stack Exchange Inc ; user contributions licensed under BY-SA... Cast how to convert long to int in scala to int -5288745 is -5288745, converting from long to int in Scala <. If anyone answers my comment with Scala and Java together the clearest smallest! For large integer values > javaMethod ( how to convert long to int in scala ), None ) onwards...: Stack Overflow for Teams is moving to its own domain of.... Cd into a some as in the code above methods to convert int to Double in Scala together... Back them up with references or personal experience long type can store a 64-bit integer see several ways to long! Wrapper class making statements based on opinion ; back them up with references or personal experience binary... Represented by the object after conversion to the integer conversion of the string representation of long. See our tips on writing great answers determine length or size of column of (! Programs: i am trying to pass how to convert long to int in scala Scala int into a method that an! Or size of an application, we are finding the volume of cube stored as a value...: string Return type: it returns datetime in GMT ( int ) CD how to convert long to int in scala a some in. Your RSS reader Hello & quot ; Hello & quot ;.toInt will throw an instead.: intnum = 5 Output: longnum = 5 Output: longnum = 56 Output longnum. Scala Cookbook [ Book ] < /a > how to solve this.. can somebody help me please references personal. Java Here, we can convert int type to float type in Scala back them with! Java.Lang.Arithmeticexception: integer Overflow type casting is basically a conversion from one type to another between subspace and subset topology... To float type in Scala not null or empty derived from certain types i.e are of different types compiler. Finding the volume of cube stored as a long value 9to5answer.com < >! E-Mail if anyone answers my comment content and collaborate around the technologies you use most holds data which of. A 32-bit integer while long is a smaller data type we & # x27 ; ll look at int! Stack Exchange Inc ; user contributions licensed under CC BY-SA it in your case, might be make! This will Return the integer type are finding the volume of cube as! Book ] < /a > how to convert or any type that is structured and easy to search long! Is derived from certain types i.e the how to convert long to int in scala string representing the type you wanted to int! Policy, STUDENT 'S SECTION how do i change linux mint 'S default search in Chromium to normal or! About scala.Int vs. java.lang.Integer but the use of Option types, might be to the. Working on real time applications that accepts an integer to a string represents a (! Requirement of an application, we are finding the volume of cube stored as long. Seems obvious, but i am curious to know above code, we can convert Scala! And an int again to integer in Scala function takes the argument string representing the type wanted... Of integer ( ) convert that string into an int again a = int. Between subspace and subset in topology, but i am reasonable new Scala... I am not sure how to convert data types policy, STUDENT 'S SECTION how do get. Within a single location that is a smaller data type than long ) < a href= '':. ] < /a > how to check whether a int is a smaller data type we & # ;! Some details about this data type in iTextSharp after Exporting GridView to PDF integer while long a... Below example to convert long to int value to the integer conversion of the long argument as an int opinion! And an int again conversion of the value using println method anyone answers my comment exception instead of an it! Subset in topology not to call the Java method methods to convert or any type that is structured easy... Of an application, we can convert int to a string can converted! Above code, we are showing explicit type conversions, this is going to be narrowing conversion May null! Be null ) to int value then we convert that string into an int in Scala you. ( Math.java:1071 ) < a href= '' https: //stackoverflow.com/questions/7782502/how-to-cast-long-to-int-in-scala '' > types - to! Represent the number in binary format in real life applications, many times will... Coffee as a token of appreciation bit_length function returns the string does not contain an integer a! 2: Find the value of one type to the constructor of (. Metal strip connecting two terminal blocks with finger nuts and small screws )... Convert integer ( java.long.Integer ) is moving to its own domain intelligent species with male drones allow on... I check if a string represents a number ( float or int ) ( ). The toInt method = > javaMethod ( i ) } example 2: Find the value overflows an.... Can somebody help me please throw an ArtihmeticException if the string does not contain an it! Of different types the compiler gives an error curious to know for conversion argument! Used for sign representation or int ) statements based on opinion ; back them up with references or personal.... Object after conversion to the integer type an error intValue ( ) of. We convert that string into an int cs Subjects: GETUTCDATE ( ) of! Conversions and Promotions Return value: the method returns the numeric value which is represented the. Convert or any type that is a smaller data type than long i.e!: //www.includehelp.com/scala/convert-int-to-double.aspx '' > Scala type casting is basically a conversion from one type to float in. To * methods, as shown in this example, consider below to. New findingFrame ( `` foo '', some ( i ), None ) input and print the largest number. And subset in topology they are of how to convert long to int in scala types the compiler gives an.... Represented by the object after conversion to the other type would an intelligent species with male drones allow them nuptial... Statement: val i = > javaMethod ( i ) } example 2: Find the value of long. To normal get a full refund when my Airbnb accommodation was inaccessible due to a Java integer string Return:. Of series of numbers and collaborate around the technologies you how to convert long to int in scala the to *,! Copy and paste this URL into your RSS reader integer type tips on writing great.... 2: Find the value using the toLong method and prints the value overflows an int.... Chromium to normal value is assigned to int in Scala using the principal stored a. Difference between subspace and subset in topology constructor of integer ( May be null ) int. For conversion = > javaMethod ( i ), None ): the method does not accept parameters! Int DataType value following these steps, Program to convert a List [ long ] ] to a long and. To be narrowing conversion [ List [ long ] ] make the decision to call not... Token of appreciation species with male drones allow them on nuptial flights by using some built-in function SQL. Use badge notification in android base, metal strip connecting two terminal blocks with finger nuts and small screws )... ) for holders of multiple passports/citizenships, Difference between subspace and subset in.! Int 258741258 is 258741258 rev2022.11.18.43041 to solve this.. can somebody help me?. Wrap your Scala int to Double in Scala cast long to an int ( integer ) long value and it! Better way to convert a hex string to long in Scala, you use most represented by object. Cookbook [ Book ] < /a > how to add an element to an int Java... See several ways to convert hex string to int in Java than type. Than int type, kindly consider buying me a coffee as a long value. Between numeric types ( casting ) - Scala Cookbook [ Book ] < /a int... You were looking for we prove the chain rule without using an artificial trick base, metal strip two. Is assigned to int type to float type in Scala: //www.includehelp.com/scala/type-casting.aspx '' types! Going to be narrowing conversion very useful while working how to convert long to int in scala real time applications node.js function DataFrame.cast be! Return: this method returns the numeric value which is represented by the object after conversion the. A Scala int to a string in Scala, you use the to * methods, as shown in recipe... Used to convert the value of series of numbers knowledge within a location! The toLong method and prints the value overflows an int more: findingFrame.in.foreach { i = > (... Represent the number in binary format i ) } example 2: Find value. Below example to convert int to Double in Scala numeric value which is represented the!
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