Java 5.0 泛型之 Java泛型的嵌套设置

package Demo;// Java泛型的嵌套设置class Info31<T, V> { // 接收两个泛型类型private T key;private V value;public Info31(T key, V value) {this.setKey(key);this.setValue(value);}public void setKey(T key) {this.key = key;}public void setValue(V value) {this.value = value;}public T getKey() {return this.key;}public V getValue() {return this.value;}}class Demo31<S> {private S info;public Demo31(S info) {this.setInfo(info);}public void setInfo(S info) {this.info = info;}public S getInfo() {return this.info;}}public class GenericsDemo31 {public static void main(String args[]) {Demo31<Info31<Integer, String>> d = null; // 将Info作为Demo的泛型类型Info31<Integer, String> i = null; // Info指定两个泛型类型i = new Info31<Integer, String>(99, "it"); // 实例化Info对象d = new Demo31<Info31<Integer, String>>(i); // 在Demo类中设置Info类的对象System.out.println(" Key Of Integer : " + d.getInfo().getKey());System.out.println(" Value Of String : " + d.getInfo().getValue());}}