Question

How to uppercase (capitalize) the first letter (character) of a string in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        String s1 = "java programming language"; 
        
        String s2 = s1.substring(0, 1).toUpperCase() + s1.substring(1);
        
        System.out.println(s2);
    }
}


/*

run:
                   
Java programming language
 
*/

 

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Answer 2

package javaapplication1;

import static com.sun.xml.internal.ws.util.StringUtils.capitalize;

public class JavaApplication1 {

    public static void main(String[] args) {

        String s = "java programming language"; 
        
        s = capitalize(s);
        
        System.out.println(s);
    }
}


/*

run:
                   
Java programming language
 
*/

 

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