Question

How to use switch statement on first letter of a string in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            String value = "jx";

            switch (value.charAt(0)) {
                case 'j':
                    System.out.println("j");
                    break;
                case 'x':
                    System.out.println("x");
                    break;
                case 'y':
                    System.out.println("y");
                    break;
                default: {
                    System.out.println("first letter is not 'j', 'x' or 'y'");
                }
            }

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

j
    
 */

 

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