Java實(shí)驗(yàn)三實(shí)驗(yàn)報(bào)告1

1、淮海工學(xué)院計(jì)算機(jī)工程學(xué)院實(shí)驗(yàn)報(bào)告書(shū)課程名：Java語(yǔ)言實(shí)驗(yàn)與課程設(shè)計(jì)指導(dǎo) 題 目： 實(shí)驗(yàn)3深入面向?qū)ο缶幊?班 級(jí)： 學(xué) 號(hào)： 姓 名： 評(píng)語(yǔ)：成績(jī)： 指導(dǎo)教師： 批閱時(shí)間： 年 月 日實(shí)驗(yàn)題目：1. 定義一個(gè)學(xué)生類，定義一個(gè)大學(xué)生類和小學(xué)生類，這兩個(gè)類是學(xué)生類的子類；定義一個(gè)選課接口，由大學(xué)生類實(shí)現(xiàn)該接口，定義一個(gè)年齡異常處理，當(dāng)小學(xué)生年齡小于7歲時(shí)，彈出異常。2. 定義一個(gè)銀行卡類，定義一個(gè)信用卡類和普通銀行卡類，這兩個(gè)類是銀行卡類的子類；定義一個(gè)透支的接口，信用卡可以透支，普通銀行卡不可以透支。定義一個(gè)取款異常和透支異常，當(dāng)普通銀行卡取款超過(guò)銀行卡余額時(shí)，彈出“取款異常”；當(dāng)信用卡透支超

2、過(guò)2萬(wàn)元時(shí)彈出“透支異?！?。實(shí)驗(yàn)代碼：題1源代碼：import java.awt.*;class studentString number,name,sex,bj;int age;student(String xuehao,String xingming,String xingbie,int nianling,String banji)number=xuehao;name=xingming;sex=xingbie;age=nianling;bj=banji;interface xuankeabstract void select(String s);interface illegalabstr

3、act void illegal(int s);class primary extends student implements illegalString xx;primary(String xuehao,String xingming,String xingbie,int nianling,String banji,String xiaoxue)super(xuehao,xingming,xingbie,nianling,banji);xx=xiaoxue;public void illegal(int s)age=s;if(age<7)System.out.println(&quo

4、t;n出錯(cuò)學(xué)生 "+name+" 的年齡過(guò)??！");class college extends student implements xuankeString dx,xk;college(String xuehao,String xingming,String xingbie,int nianling,String banji,String daxue)super(xuehao,xingming,xingbie,nianling,banji);dx=daxue;public void select(String s)xk=s;public class test_1

5、public static void main(String args) primary p1=new primary("1","張三","男",13,"五(1)班","ZZZ小學(xué)"); System.out.println(p1.number+" "++" "+p1.sex+" "+p1.age+" "+p1.bj+" "+p1.xx); p1.illegal(p1.age); p

6、rimary p2=new primary("n2","小紅","女",6,"一(1)班","YYY小學(xué)"); System.out.println(p2.number+" "++" "+p2.sex+" "+p2.age+" "+p2.bj+" "+p2.xx); p2.illegal(p2.age); college c1=new college("3",&q

7、uot;小茗","女",20,"軟件112","XXX大學(xué)"); c1.select("現(xiàn)代密碼學(xué)"); System.out.print("n"+c1.number+" "++" "+c1.sex+" "+c1.age+" "+c1.bj+" "+c1.dx+" "+c1.xk+"n");實(shí)驗(yàn)結(jié)果：題2源代碼：import java

8、.util.*;class bankcardString kh,name;double yue;bankcard(String kahao,String yezhu,double shengyu)kh=kahao;name=yezhu;yue=shengyu;interface touzhiabstract void tz(double s);abstract void tzye(double s);abstract void illegal();interface qkillegalabstract void illegal();class common extends bankcard i

9、mplements qkillegalcommon(String kahao,String yezhu,double shengyu)super(kahao,yezhu,shengyu);public void warning()System.out.println("普通銀行卡不可透支！");public void illegal()System.out.println("取款超額！");class xinyongka extends bankcard implements touzhidouble tzye;xinyongka(String kaha

10、o,String yezhu,double shengyu)super(kahao,yezhu,shengyu);public void tz(double s)tzye=s;public void tzye(double s) double t=20000+yue-s;if(s>yue)System.out.println(t);public void illegal()System.out.println("透支超額！");public class test_3public static void main(String args)common c1=new co

11、mmon("62226200240001916658","張三",1200.00);System.out.println("卡號(hào):"+c1.kh+"業(yè)主:"++"余額:"+c1.yue);c1.warning();System.out.println("請(qǐng)輸入取款金額:");Scanner s1=new Scanner(System.in);double b=s1.nextDouble();if(b<c1.yue)double c=c1.yue-b;Sys

12、tem.out.println("銀行卡余額為:"+c);elsec1.illegal(); System.out.println("nn");xinyongka x1=new xinyongka("62236200243008615559","李四",500.00);System.out.println("卡號(hào):"+x1.kh+"業(yè)主:"++"余額:"+x1.yue);System.out.println("信用卡可透支！透支金額為20000元！");System.out.println("請(qǐng)輸入要取款金額:");Scanner s2=new Scanner(System.in);double a=s2.nextDouble();if(a<=x1.yue) double d=x1.yue-a; System.out.println("銀行卡余額為:"+d); else if(a>x1.yue&