Java8 Lumbda表达式 初步

Java8 Lumbda表达式 初步

package com.stono.test;

import java.util.function.BinaryOperator;

public class Test001 {

    public static void main(String[] args) {

        Runnable r = () -> System.out.println("hello");

        r.run();

        Runnable r2 = () -> {

            System.out.println("1");

            System.out.println("2");

        };

        r2.run();

        BinaryOperator<Long> b = (x, y) -> x + y;

        System.out.println(b);

        Long long1 = b.apply(1l, 2l);

        System.out.println(long1);

    }

}

        // btnNewButton.addActionListener(event -> System.out.println("button Click"));

        ActionListener actionListener = event -> System.out.println("button Click2");

        btnNewButton.addActionListener(actionListener);