14 May String toUpperCase(Locale locale) method in Java

The toUppercase(Locale locale) method in Java converts all of the characters in this String to upper case using the rules of the given Locale.

Syntax

Let us see the syntax,

String toUpperCase(Locale locale)

Parameters

Let us see the parameters,

• locale – case transformation rules for this locale

Example

The following is an example of toUpperCase(Locale locale),

import java.util.*;

public class StudyopediaDemo {

   public static void main(String args[]) {
	 
      String message1 = new String("Studyopedia provides free learning content!");
      System.out.println("String: "+message1);

      String message2 = new String("STUDYOPEDIA provides free LEARNING CONTENT!");
      System.out.println("String: "+message2);
	  
      Locale loc = Locale.ENGLISH;
	  
      System.out.print("Result = ");
      System.out.println(message1.toUpperCase(loc));
	  
      System.out.print("Result = ");
      System.out.println(message2.toUpperCase(loc));
  } 
}

Output

The following is the output,