Question

How to generate random uppercase characters in Java

Answer 1

public class MyClass {
    public static char get_random_characters(char ch1, char ch2) { 
        return (char)(ch1 + Math.random() * (ch2 - ch1 + 1)); 
    }
    public static void main(String args[]) {
       for (int i = 0; i < 20; i++) 
            System.out.println(get_random_characters('A', 'Z'));
    }
}


/*
run:

K
M
U
K
H
R
G
D
C
C
J
P
C
W
R
O
R
J
K
R

*/

 

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