Java 临时变量的使用

import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.ImmutableTriple;   
  

// 返回两个字段
        ImmutablePair<Integer, String> pair = ImmutablePair.of(1, "yideng");
        System.out.println(pair.getLeft() + "," + pair.getRight()); // 输出 1,yideng
// 返回三个字段
        ImmutableTriple<Integer, String, Date> triple = ImmutableTriple.of(1, "yideng", new Date());
        System.out.println(triple.getLeft() + "," + triple.getMiddle() + "," + triple.getRight()); // 输出 1,yideng,Wed Apr 07 23:30:00 CST 2021