面向对象

/*

//创建对象的格式:类名对象名= new_ 类名();
Student s = new Student() ;

class Demo1_ Student {
public static void main (String[] args)
//创建对象的格式:类名对象名= new_ 类名();
//对象名:其实就是合法的标识符,如果是一个单词所有字母小写,如果是多个单词,从第二个单词开始首字母大写
Student s = new Student() ;

*/

package com.test;

    public class test1 {

        public static void main(String[] args) {
            student a = new student();

            a.age(23);
            a.name("lige");
            System.out.println(a.name+ " " +a.age);

            a.test("zhangsan",18);
        }

    }


    class student{
        int age;
        String name;        

        public void age(int age) {

            this.age = age;
        }
        public void name(String name) {
            this.name = name;
        }

         public void test(String name,int age){
            System.out.println(name+ " " +age);
        }

    }

******************************人因为有理想、梦想而变得伟大,而真正伟大就是不断努力实现理想、梦想*****************************
原文地址:https://www.cnblogs.com/cloudLi/p/12866977.html