Runnable runnable = new Runnable() {
@Override
public void run() {
System.out.println("Hello runnable");
}
};
...
thread.start();
Runnable noArgs = ()->System.out.println("Hello Lambda!~");
...
thread.start();
BinaryOperator<Long> add = (x,y)->x+y;
//OR
BinaryOperator<Long> add = (Long x,Long y)->x+y;
//OR
BinaryOperator<Long> add = (Long x,Long y)->{
x+y;
};
BinaryOperator<Long> add = (Long x,Long y)->x+y;
Long res = add.apply(3L, 4L);
System.out.println("res="+res);//输出:res=7
public interface AddOperator<T,D> {
long add(T one,D two);
}
AddOperator<Long,Long> addOperator = ( x, y)->x +y;
System.err.println("Custom function listener res= "+addOperator.add(34L, 65L));
String name = getUserName();
//name="hi";
button.addActionListener(event->System.out.println("name="+name));
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