Java - String toUpperCase() Method

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:


  • NA

Return Value:


  • 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 Dineshonjava.com");

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

This produces following result:

output:
Return Value :WELCOME TO DINESHONJAVA.COM



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