Question

How to convert a string to upper case (all upper) in Java

Answer 1

package javaapplication1;

public class JavaApplication1 
{
    public static void main(String[] args) 
    {
        String s = "Java programming";
        
        String result = s.substring(0).toUpperCase();
         
        System.out.println(result);
    }
}

/*

run:

JAVA PROGRAMMING

*/

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