*
*在定义类时，定义泛型
*/
public class People <T>{
private T name;
private T age;
public People(){
}
public T getName() {
return name;
}
public void setName(T name) {
this.name = name;
}
public T getAge() {
return age;
}
public void setAge(T age) {
this.age = age;
}
//* 在实例化对象时不指定泛型，则自动识别为object
public class FanXing2 {
public static void main(String[] args) {
// 如果实例化对象时，不指定泛型，则认为是Object
People people = new People();
// 里面的参数是Object类型
people.setName("刘备");
people.setAge("12");
String ageString= (String) people.getAge();
String nameString=(String) people.getName();
System.out.println(nameString);
System.out.println(ageString);
}
}
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版权声明：本文为CSDN博主「zhaihaohao1」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/zhaihaohao1/article/details/51166036