《Java面向对象程序设计》科目考试卷及答案(3)

安徽财贸职业学院2011—2012学年度第二学期 《Java面向对象程序设计》期末试卷答案（B卷）

适用班级：软件1101

一、单选题

1 2 3 4 5 6 7 8 9 10

C C D D A A B B A D

11 12 13 14 15 16 17 18 19 20

C D B A C C B C A A

21 22 23 24 25 26 27 28 29 30

D D D D B C D C C B

二、填空题

1．JavaSE JavaeE 2．字节码 .class 3．封装 继承

4．抽象（或abstract） final 5．super 6．接口 三、阅读理解题

1．6 3．10.0 2．1 4．a=60 4 b=20 9 c=30 Totle is 14 5．234

四、编程题

1．【1】entends Point 【2】super(a1,b1) 【3】Rec r1=new Rec(0,0,10,20) 2．import java.util.Arrays; public class CharsSort {

public static void main(String[] args) {

char[] chars = new char[]{'a','c','u','b','e','p','f','z'}; System.out.print(\原字符序列：\ for(int i = 0; i < chars.length; i++){ System.out.print(chars[i] + \ } Arrays.sort(chars); //对数组进行升序排序 System.out.print(\升序排序后：\ for(int i = 0; i < chars.length; i++){ System.out.print(chars[i] + \ } System.out.print(\逆序输出为：\ for(int i = chars.length-1; i >= 0; i--){ System.out.print(chars[i] + \ } }

}

3．public abstract class MotoVehicle { private String no;// 汽车牌号 private String brand;// 汽车品牌

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public MotoVehicle() { }

public MotoVehicle(String no, String brand) { this.no = no; this.brand = brand; }

public String getNo() { return no; }

public String getBrand() { return brand; }

public abstract int calRent(int days); }

public final class Car extends MotoVehicle { private String type;// 汽车型号 public Car() { } public Car(String no, String brand, String type) { super(no, brand); this.type = type; } public String getType() { return type; } public void setType(String type) { this.type = type; } public int calRent(int days) { if (\代表550i return days * 500; } else if (\代表商务舱GL8 return 600 * days; } else { return 300 * days; } }

}

public final class Bus extends MotoVehicle { private int seatCount;// 座位数 public Bus() { }

public Bus(String no, String brand, int seatCount) { super(no, brand); this.seatCount = seatCount; }

public int getSeatCount() { return seatCount; }

public void setSeatCount(int seatCount) { this.seatCount = seatCount; }

public int calRent(int days) { if (seatCount <= 16) {

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return days * 800; } else { return days * 1500; } } }

import java.util.Scanner; public class TestRent {

public static void main(String[] args) { String no,brand,mtype,type; int seatCount,days,rent; Car car; Bus bus; Scanner input = new Scanner(System.in); System.out.println(\欢迎您来到汽车租赁公司！\ System.out.print(\请输入要租赁的天数：\ days=input.nextInt(); System.out.print(\请输入要租赁的汽车类型（1：轿车 2、客车）:\ mtype = input.next(); if(\ System.out.print(\请输入要租赁的汽车品牌（1、宝马 2、别克）:\ brand=input.next(); System.out.print(\请输入轿车的型号 \ if(\ System.out.print(\（1、550i）：\ else System.out.print(\（2、商务舱GL8 3、林荫大道）\ type=input.next(); no=\京BK5543\简单起见，直接指定汽车牌号 System.out.println(\分配给您的汽车牌号是:\ car =new Car(no,brand,type); rent=car.calRent(days); } else{ System.out.print(\请输入要租赁的客车品牌（1、金杯 2、金龙）:\ brand=input.next(); System.out.print(\请输入客车的座位数:\ seatCount=input.nextInt(); no=\京AU8769\简单起见，直接指定汽车牌号 System.out.println(\分配给您的汽车牌号是:\ bus=new Bus(no,brand,seatCount); rent=bus.calRent(days); } System.out.println(\顾客您好！您需要支付的租赁费用是\。\ } }

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