java中没有类似c#、scala中的tuple元组类,只能自己动手,丰衣足食了,见下面的代码:
Tuple 抽象类
1 import java.util.Optional;
2
3 /**...of(A a, B b) {
22 return new Tuple2(a, b);
23 }
24
25 public static Tuple...static Tuple of(A a, B b, C c, D d, E e) {
34 return new Tuple5(a, b, c, d,...e);
35 }
36
37
38 public static void main(String[] args) {
39 Tuple t2 = Tuple.of(1...().get() + "," + t3._2().get() + "," + t3._3().get());
47
48
49 Tuple t4 = Tuple.of(1, "one