1 //所有数值未做合法性检测 2  3 //西游记人物类 4 class XiYouJiRenWu{ 5     //成员属性 6     private String name;    //人物姓名 7     private double height;    //身高 8     private String weapon;    //武器 9     //构造方法10     XiYouJiRenWu(){11     }12     XiYouJiRenWu(String name){13         this();14         this.name=name;15     }16     XiYouJiRenWu(String name,double height){17         this(name);18         this.height=height;19     }20     XiYouJiRenWu(String name,double height,String weapon){21         this(name,height);22         this.weapon=weapon;23     }24     //setter25     public void setName(String name){26         this.name=name;27     }28     public void setHeight(double height){29         this.height=height;30     }31     public void setWeapon(String weapon){32         this.weapon=weapon;33     }34     //getter35     public String getName(){36         return name;37     }38     public double getHeight(){39         return height;40     }41     public String getWeapon(){42         return weapon;43     }44 }45 //text class46 public class Text4{47     public static void main(String[] args){48         XiYouJiRenWu sun=new XiYouJiRenWu("孙悟空",175);49         sun.setWeapon("金箍棒");50         System.out.println("姓名：" + sun.getName() + " 身高:" + sun.getHeight() + " 武器是：" + sun.getWeapon());51         XiYouJiRenWu zhu=new XiYouJiRenWu("猪八戒",150);52         zhu.setWeapon("九尺杷");53         System.out.println("姓名：" + zhu.getName() + " 身高:" + zhu.getHeight() + " 武器是：" + zhu.getWeapon());54     }55 }

 1 //所有数值未做合法性检测 2  3 //Account class 4 class Account{ 5     //成员属性 6     private String account;    //定义账号 7     private double balance;    //定义存款余额 8     //构造方法 9     Account(){10     }11     Account(String account){12         this();13         this.account=account;14     }15     Account(String account,double balance){16         this(account);17         this.balance=balance;18     }19     //getter20     public String getAccount(){21         return account;22     }23     public double getBalance(){24         return balance;25     }26     //成员方法27     //存款方法28     public void deposit(double money){29         balance=this.getBalance()+money;30         System.out.println("账户：" + this.getAccount() + "中成功存入：" + money + "元！");31     } 32     //取款方法33     public void quKuan(double money){34         balance=this.getBalance()-money;35         System.out.println("账户：" + this.getAccount() + "中成功取款：" + money + "元！");36     }37     //查询余额38     public void search(){39         System.out.println("账户：" + this.getAccount() + "中余额为：" + this.getBalance());40     }41 }42 //Text5 class43 public class Text5{44     public static void main(String[] args){45         Account account=new Account("6333081603000420028",1000000);46         account.search();47         account.deposit(1000);48         account.quKuan(50000);49         account.search();50     }51 }

 1 //所有数值未做合法性检测 2  3 class Clock{ 4     private int hour; 5     private int minute; 6     private int seconds; 7     Clock(){ 8     } 9     Clock(int hour){10         this();11         this.hour=hour;12     }13     Clock(int hour,int minute){14         this(hour);15         this.minute=minute;16     }17     Clock(int hour,int minute,int seconds){18         this(hour,minute);19         this.seconds=seconds;20     }21     public void setHour(int hour){22         this.hour=hour;23     }24     public void setMinute(int minute){25         this.minute=minute;26     }27     public void setSeconds(int seconds){28         this.seconds=seconds;29     }30     public int getHour(){31         return hour;32     }33     public int getMinute(){34         return minute;35     }36     public int getSeconds(){37         return seconds;38     }39     public void show(){40         System.out.println("当前时间为：" + this.getHour() + "点" + this.getMinute() + "分" + this.getSeconds() + "秒！");41     }42 }43 public class Text6{44     public static void main(String[] args){45         Clock c1=new Clock();46         c1.show();47         c1.setHour(10);48         c1.show();49         Clock c2=new Clock(10,10,10);50         c2.show();51     }52 }53