s-day07-Lambda表达式的简写形式
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@@ -53,5 +53,7 @@ public class Demo01 {
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new Thread(()->{
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System.out.println(Thread.currentThread().getName()+"线程启动了");
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}).start();
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new Thread(()-> System.out.println(Thread.currentThread().getName()+"线程启动了")).start()
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;
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}
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}
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@@ -21,11 +21,11 @@ public class Demo02 {
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}
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});*/
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//使用lambda表达式简化以上代码
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Collections.sort(students,(Student o1, Student o2)->{
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/*Collections.sort(students,(Student o1, Student o2)->{
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return o1.score-o2.score;
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});
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});*/
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Collections.sort(students,(o1, o2)-> o2.score-o1.score);
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System.out.println(students);
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}
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}
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@@ -0,0 +1,9 @@
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package com.inmind.lambda01;
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/*
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lambda表达式的省略语法:
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1.参数列表()中的数据类型可以省略
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2.如果(),参数列表中只有一个参数,并且数据类型已经省略,那么小括号也可以省略
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3.如果{}中只有一条java语句,那么大括号,return,分号可以同时省略
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*/
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public class Demo03 {
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}
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