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Java - String toUpperCase() Method

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Description:

This method has two variants. First variant converts all of the characters in this String to upper case using the rules of the given Locale. . This is equivalent to calling toUpperCase(Locale.getDefault()).

Second variant take locale as an argument to be used while converting into upper case.

Syntax:

Here is the syntax of this method:

public String toUpperCase()

or

public String toUpperCase(Locale locale)

Parameters:

Here is the detail of parameters:

Return Value :

Example:

import java.io.*;

public class Test{
   public static void main(String args[]){
      String Str = new String("Welcome to Tutorialspoint.com");

      System.out.print("Return Value :" );
      System.out.println(Str.toUpperCase() );

   }
}

This produces following result:

Return Value :WELCOME TO TUTORIALSPOINT.COM

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