Question

How to create and use Supplier Interface for a lambda expression in Java

Answer 1

package javaapplication1;

import java.util.function.Supplier;

public class JavaApplication1 {

    static void display(Supplier<Integer> arg) {
        System.out.println(arg.get());
    }

    public static void main(String[] args) {

        try {

            display(() -> 150);
            display(() -> 13);

            display(() -> (int)(Math.random() * 200));

            int n = 5;
            display(() -> n);

        } catch (Exception e) {
            System.out.println(e.toString());
        }
    }
}

/*
               
run:
  
150
13
109
5
      
 */

 

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