摘要： java1.5中开始引入泛型，平时用的也挺多，下面例子大概总结下基本用法：/** * 泛型测试类 */public class GenericDemo<T, E, H extends Collection> { private T obj1; private E obj2; public GenericDemo () { } /** * List参数必须继承String类,否则编译报错 */ public void method1(List<? extends String> list) { ... 阅读全文