Question

How to generate 6 digits random number in Java

Answer 1

import java.util.concurrent.ThreadLocalRandom;

public class MyClass {
    public static void main(String args[]) {
        int number = ThreadLocalRandom.current().nextInt(100000, 999999 + 1);

        System.out.println(number);
    }
}



/*
run:

553069

*/

 

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Answer 2

public class MyClass {
    public static void main(String args[]) {
        int number = 100000 + (int)(Math.random() * ((999999 - 100000) + 1));

        System.out.println(number);
    }
}



/*
run:

753187

*/

 

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