Question

How to generates random letters from a string in Java

Answer 1

import java.util.Random;
 
public class MyClass {
    public static void main(String args[]) {
        String s = "abcXYZ";
         
        Random r = new Random();
        for (int i = 0; i < 20; i++) {
            System.out.print(s.charAt(r.nextInt(s.length())));
        } 
    }
}
 
 
/*
run:
 
YaXYbYXZXYaZacbYcZXY
 
*/

 

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