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<dependency> <groupId>org.javatuples</groupId> <artifactId>javatuples</artifactId> <version>1.2</version> </dependency>

Javatuples 支持最大为 "10" 的元组大小，对于每种大小，它都提供了如下的元组实现。

• Unit (一个元素)

• Pair (两个元素)

• Triplet (三个元素)

• Quartet (四个元素)

• Quintet (五个元素)

• Sextet (六个元素)

• Septet (七个元素)

• Octet (八个元素)

• Ennead (九个元素)

• Decade (是个元素)

Pair<String, Integer> pair = Pair.with("Pack", 33) ; Quartet<String, Integer, String, Double> quartet = Quartet .with("pack", 33, "price",2.3D) ; Pair<String, Integer> user = new Pair<>("Pack", 33) ; List<String> listOf4Names = Arrays.asList("A1","A2","A3","A4"); Quartet<String, String, String, String> retQuartet = Quartet .fromCollection(listOf4Names) ; // 输出：[A1, A2, A3, A4] System.out.println(retQuartet) ; // 输出：[A3, A4] Pair<String, String> pair1 = Pair.fromIterable(listOf4Names, 2) ; System.out.println(pair1); Pair<String, Integer> pair = Pair.with("Pack", 33) ; System.out.printf("姓名: %s%n", pair.getValue0()) ; System.out.printf("年龄: %s%n", pair.getValue1()) ;