s-day07-Lambda表达式的简写形式
This commit is contained in:
@@ -53,5 +53,7 @@ public class Demo01 {
|
|||||||
new Thread(()->{
|
new Thread(()->{
|
||||||
System.out.println(Thread.currentThread().getName()+"线程启动了");
|
System.out.println(Thread.currentThread().getName()+"线程启动了");
|
||||||
}).start();
|
}).start();
|
||||||
|
new Thread(()-> System.out.println(Thread.currentThread().getName()+"线程启动了")).start()
|
||||||
|
;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -21,11 +21,11 @@ public class Demo02 {
|
|||||||
}
|
}
|
||||||
});*/
|
});*/
|
||||||
//使用lambda表达式简化以上代码
|
//使用lambda表达式简化以上代码
|
||||||
Collections.sort(students,(Student o1, Student o2)->{
|
/*Collections.sort(students,(Student o1, Student o2)->{
|
||||||
return o1.score-o2.score;
|
return o1.score-o2.score;
|
||||||
});
|
});*/
|
||||||
|
|
||||||
|
Collections.sort(students,(o1, o2)-> o2.score-o1.score);
|
||||||
System.out.println(students);
|
System.out.println(students);
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -0,0 +1,9 @@
|
|||||||
|
package com.inmind.lambda01;
|
||||||
|
/*
|
||||||
|
lambda表达式的省略语法:
|
||||||
|
1.参数列表()中的数据类型可以省略
|
||||||
|
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
|
||||||
|
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
|
||||||
|
*/
|
||||||
|
public class Demo03 {
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user