Question

How to use lambda expressions in Java

Answer 1

import java.util.ArrayList;

public class MyClass {
    public static void main(String args[]) {
        ArrayList<Integer> al = new ArrayList<Integer>();
        
        al.add(7);
        al.add(12);
        al.add(3);
        al.add(5);
        al.add(1);
        
        // Lambda Expression: (n) -> { System.out.println(n); }
        
        al.forEach( (n) -> { System.out.println(n); } );
    }
}




/*
run:

7
12
3
5
1

*/

 

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