Question

How to initialize a stack with random numbers up to the stack size in Java

Answer 1

import java.util.Random;
import java.util.Stack;
 
public class StackInit {
    private static Stack<Integer> initStack(int size) {
        Stack<Integer> stack = new Stack<>();
        Random random = new Random();
         
        int bound = size;
        for (int i = 0; i < size; i++) {
            stack.add(random.nextInt(bound) + 1);
        }
         
        return stack;
    }
    public static void main(String[] args) {
        Stack<Integer> stack = initStack(15);
         
        System.out.println(stack);
    }
}
 
 
/*
run:
 
[11, 9, 4, 2, 6, 2, 11, 15, 1, 15, 11, 6, 6, 1, 7]
 
*/

 

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