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package generics;
public class GenericsDemo {
public static void main(String[] args) {
Demo d = new Demo(); //实例化Demo对象
String str = d.fun("汤姆");//传递字符串
int i = d.fun(30); //传递数字,自动装箱
System.out.println(str); //输出内容
System.out.println(i); //输出内容
}
}
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