Java 8 Lambda表達式在只有一個方法的接口實現代碼編寫中，可以起到簡化作用：

(argument list) -> body

具體看Runnable接口的例子

public class RunnableLambdaTest {public static void main(String[] args) {System.out.println(Thread.currentThread().getName() + ": RunnableTest");//java 8之前的匿名類方法Runnable task1 = new Runnable() {@Overridepublic void run() {System.out.println(Thread.currentThread().getName() + " is running");}};Thread thread2 = new Thread(new Runnable() {@Overridepublic void run() {System.out.println(Thread.currentThread().getName() + " is running");}});//Lambda表達式編寫Runnable實現類Runnable task3 = () -> {System.out.println(Thread.currentThread().getName() + " is running");};Thread thread4 = new Thread(() -> {System.out.println(Thread.currentThread().getName() + " is running");});Thread thread1 = new Thread(task1);thread1.start();thread2.start();thread4.start();new Thread(task3).start();} }

https://www.codejava.net/java-core/the-java-language/java-8-lambda-runnable-example

轉載于:https://www.cnblogs.com/darange/p/10936038.html

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