如果一个类中有多个属性需要使用不同的泛型声明,则可以在声明类时指定多个泛型类型。
package book;
class Notepad<N, A, H> {
private N name;
private A age;
private H height;
public N getName() {
return name;
}
public void setName(N name) {
this.name = name;
}
public A getAge() {
return age;
}
public void setAge(A age) {
this.age = age;
}
public H getHeight() {
return height;
}
public void setHeight(H height) {
this.height = height;
}
}
public class JiOu {
public static void main(String args[]) {
Notepad<String, Integer, Float> t = null;
t = new Notepad<String, Integer, Float>();
t.setName("smc");
t.setAge(22);
t.setHeight(170.0f);
System.out.println("姓名:" + t.getName());
System.out.println("年龄:" + t.getAge()+"岁");
System.out.println("身高:" + t.getHeight()+"cm");
}
}
运行结果:
姓名:smc
年龄:22岁
身高:170.0cm