Java - String toUpperCase() Method

Description

This method has two variants. The 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()).

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

Syntax

Here is the syntax of this method −

public String toUpperCase()

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 Tutorialspoint.com");

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

This will produce the following result −

Output

Return Value :WELCOME TO TUTORIALSPOINT.COM