Question

How to pick a random element from a list in Java

Answer 1

import java.util.Arrays;
import java.util.List;
import java.util.Random;

public class MyClass {
    public static void main(String args[]) {
        List<Integer> lst = Arrays.asList(3, 5, 7, 2, 0, 9, 1, 4, 8);

		int num = lst.get((new Random()).nextInt(lst.size()));

		System.out.println(num);
    }
}




/*
run:

7

*/

 

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