用Java实现学生信息统计.doc

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1、importjava.util.Calendar;importjava.util.Date;publicclassrita{publicstaticfinalintMAX_AGE=22;//静态常量最大年龄publicstaticfinalintMIN_AGE=20;//静态常量最小年龄publicstaticfinalcharsex_M='M';//静态常量男性publicstaticfinalcharsex_F='F';//静态常量女性privatefinalDatebirthday;//实例常量生日privatefinalStringname;//实例常量姓名privatef

2、inalStringsno;//实例常量学号privatechargender;//实例常量性别privateintage;//实例常量年龄privateStringdept;//实例常量系publicrita(Datebirthday,chargender,Stringname,Stringsno,Stringdept){//定义学生this.birthday=birthday;this.name=name;this.gender=gender;this.dept=dept;this.sno=sno;Datenow=newDate();//定义当前信息intage=now.get

3、Year()-birthday.getYear();//计算学生年龄if(age>MAX_AGE

4、

5、age

6、rmation-----");//打印学生信息System.out.println(this.name);//打印学生姓名信息System.out.println(this.sno);//打印学生学号信息System.out.println(this.gender);//打印学生性别信息System.out.println(this.birthday);//打印学生生日信息System.out.println(this.age);//打印学生年龄信息System.out.println(this.dept);//打印学生系信息}publicstaticvoidmain(String

7、args[]){//主函数Calendarcal=Calendar.getInstance();cal.set(1993,8,1);//设置生日1993,8,1studentxiaoming=newstudent(cal.getTime(),'M',"xiaoming","","InformationManagement");//xiaoming生日1993.8.1学号cal.set(1994,1,1);//设置生日1994,1,1studentxiaoqiang=newstudent(cal.getTime(),'M',"xiaoming","","InformationMana

8、gement");//xiaoqiang生日1994,1,1学号cal.set(1993,10,11);//设置生日1993,10,11studentxiaojun=newstudent(cal.getTime(),'F',"xiaoming","","InformationManagement");//xiaojun生日1993,10,11学号xiaoming.printInfo();//打印xiaoming信息xiaoqiang.printInfo();//打印xiaoqiang信息xiaojun.printInfo();//打印xiaojun信息}}