15.2 简单泛型

P386

package com.cnsuning.src;import java.lang.reflect.*;import java.util.*;public class Main {public static void main(String[] args) {Holder<String> holder = new Holder<String>();holder.setH1("S1");holder.setH2("S2");holder.setH3("S3");System.out.println(holder.getH1());System.out.println(holder.getH2());System.out.println(holder.getH3());}}class Holder<T>{private T h1;private T h2;private T h3;public T getH1() {return h1;}public void setH1(T h1) {this.h1 = h1;}public T getH2() {return h2;}public void setH2(T h2) {this.h2 = h2;}public T getH3() {return h3;}public void setH3(T h3) {this.h3 = h3;}}

输出结果:

S1
S2
S3