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Java basics

toUpperCase()


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 takes locale as an argument to be used while converting into upper case.

Syntax:
public String toUpperCase()
or
public String toUpperCase(Locale locale)

It returns the String, converted to uppercase.


Example:

import java.io.*;
public class Test{
   public static void main(String args[]){
      String Str = new String("Welcome to  Programmer's Dictionary");
      System.out.print("Return Value :" );
      System.out.println(Str.toUpperCase() );
   }
}

Output:
Return Value :WELCOME TO  PROGRAMMER'S DICTIONARY


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