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