Question

How to use a lambda expression to print every item in an ArrayList with Java

Answer 1

import java.util.ArrayList;

public class Main {
  public static void main(String[] args) {
    // Create an ArrayList of integers
    ArrayList<Integer> al = new ArrayList<Integer>();
    al.add(7);
    al.add(0);
    al.add(3);
    al.add(6);
    al.add(1);
    
    // Use a lambda expression to print each item
    al.forEach(item -> System.out.println(item));
  }
}



/*
run:

7
0
3
6
1

*/

 

70+ SQL courses for beginners and professionals