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  • 面向对象:继承

    package hanqi;
    
    public class Person {
        
        private String name;
        private int age;
        
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        public int getAge() {
            return age;
        }
        public void setAge(int age) {
            this.age = age;
        }
        
        public String getInfo()
        {
            return "name = "+name+"	age="+age;
        }
        
        
        
    }
    package hanqi;
        
        //学生 作为人的子类来写
    
    public class Student extends Person{
    
        private String school;
    
        public String getSchool() {
            return school;
        }
    
        public void setSchool(String school) {
            this.school = school;
        }
        
        //方法的重写
        public String getInfo()
        {
            return "name="+getName()+"	schoole="+school;
        }
    }
    package hanqi;
    
    public class Test01 {
    
            public static void main (String[] args){
            
                //测试继承
                //父类
                Person p =new Person();
                p.setName("张三");
                p.setAge(30);
                
                System.out.println(p.getInfo());
                
                
                //子类
                Student s=new Student();
                
                s.setName("小明");
                s.setAge(18);
                s.setSchool("汉企");
                
                System.out.println(s.getInfo());
                System.out.println(s.getSchool());
                
            }
    }
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  • 原文地址:https://www.cnblogs.com/zs6666/p/5888909.html
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