java类的练习

结构

Cat.java

package java_class_homework;

public class Cat {
    String name;
    int age;
//  String type;
    
    public void setAge(int age) {
        this.age=age;
    }
    public int getage() {
        return age;
    }
    
    public void setName(String name) {
        this.name=name;
    }
    public String getName() {
        return name;
    }
    
}
package java_class_homework;