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泛型方法中可以定义泛型参数,此时,参数的类型就是传入的数据类型。格式: 访问修饰符 泛型标识 方法名称([泛型标识 参数名称]) {}class Generic { public T tell(T t) { return t; }}public class Generi... 阅读全文
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public class GenericArray { public static void main(String args[]) { String str[] ={"呵","呵呵","呵呵呵"}; tell(str); } public static ... 阅读全文
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class A { private T value; public A(T value) { this.value = value; } public T getValue() { return value; } public void... 阅读全文
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class Point { private T x; private T y; public T getX() { return x; } public void setX(T x) { this.x = x; } public ... 阅读全文
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abstract class Person { private String name; private int age; public Person(String name, int age) { this.name = name; this.age ... 阅读全文
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interface USB { void start(); void stop();}class USBDisk implements USB { @Override public void start() { System.out.println("U盘插入"... 阅读全文