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jAvA类与对象编程题

//Student 类 class Student{ String name; int age; Student(String name,int age){ this.age=age; this.name=name; } Student(){} public void setName(String name){ this.name=name; } public String getName(){ return name; } public void setAge(int age)

面向对象编程(oop)旨在将现实世界中的概念模拟到计算机中,它将现实世界中的所以事物视作对象.对象是存在的具体实体,具有明确定义的状态和行为.

class Simple{ private int A;//属性1 private double B;//属性2 private String C;//属性3 //set();get()方法 public int getA() { return A; } public void setA(int a) { A = a; } public double getB() { return B; } public void setB(double b) { B = b; } public

class User{ String username; String password; public User(){ username="abc"; password="123455"; } public User(String un,String pw){ username=un; password=pw; } } class student{ String num; String name; String sex; String date; public

nt{ String name; int age; Student(String name,int age){ this.age=age; this.name=name; } Student(){} public void setName(String name){ this.name=name; } public String getName(){ return name; } public void setAge(int age){ this.age=age; } public

package com.sorce.bankSys; import java.util.Scanner; import sun.security.action.GetBooleanAction; public class BankSys { private int uId; //这写好像用不上,你自己看着加吧 private String uName; private String address; private double

第一种:public static void main(String args[]) { Scanner scn = new Scanner(System.in); System.out.print("第一个数:"); int a = scn.nextInt(); System.out.print("操作(+,-,*,/):"); String option = scn.next(); System.out.print("

题一一、背景:控制台应用程序的菜单处理,菜单会有子菜单项,可能会有多级.菜单项可能会随时更新和添加,需要能很方便地通过配置文件进行维护.一、需求:A. 首页菜单如下:购物系统--------------------------------------1. 客户信息管理2. 购物

public class Account{private String uID;private double balance;public Account(String uID,double balance){this.uID=uID;this.balance=balance;}public void deposit(double money){this.balance+=money;}public void withdrawals(double money){this.

这个不好说啊.你多看看j2se的书籍和视频吧.建议你看视频,有韩顺平,马世斌,张孝祥等的j2se视频上面讲的很详细

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