代码
提交代码
import java.util.function.BinaryOperator;
public class LambdaTest2 {
public static void main(String[] args) {
int delta = -1;
BinaryOperator<Integer> add = (x, y) -> x+y+delta;
Integer apply = add.apply(1, 2);//结果是2
System.out.println(apply);
}
}
运行结果