/******
檔名：JPA06_1.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
class JPA06_1
{
public static void main(String args[])
{
MiniNote mininote = new MiniNote();
System.out.println("MiniNote cost:"+mininote.getCost()+", price:"+mininote.getPrice());
Note15 note15 = new Note15();
System.out.println("Note15 cost:"+note15.getCost()+", price:"+note15.getPrice());
}
}
abstract class Note
{
LCD lcd;
CPU cpu;
HD hd;
double getCost()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*1.4;
}
double getPrice()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*2.0;
}
}
class MiniNote extends Note
{
MiniNote()
{
lcd=new LCD(10);
cpu=new CPU(1.66);
hd=new HD("120G");
}
}
class Note15 extends Note
{
Note15()
{
lcd=new LCD(15);
cpu=new CPU(2.2);
hd=new HD("160G");
}
}
abstract class unit
{
int cost;
double getCost()
{
return cost;
}
}
class LCD extends unit
{
LCD(int a)
{
if(a==10)
cost=2000;
else if(a==15)
cost=2500;
else if(a==17)
cost=3000;
}
}
class CPU extends unit
{
CPU(double a)
{
if(a==1.66)
cost=6000;
else if(a==2.2)
cost=8000;
else if(a==2.4)
cost=11000;
}
}
class HD extends unit
{
HD(String a)
{
if(a.equals("120G"))
cost=2400;
else if(a.equals("160G"))
cost=2800;
}
}
/******
檔名：JPA06_2.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
class JPA06_2
{
public static void main(String args[])
{
PC pc = new PC();
System.out.println("PC cost:"+pc.getCost()+", price:"+pc.getPrice());
MultiPC multipc1 = new MultiPC(2, 4);
System.out.println("MultiPC: 2CPU, 4HD, cost:"+multipc1.getCost()+", price:"+multipc1.getPrice());
MultiPC multipc2 = new MultiPC(4, 8);
System.out.println("MultiPC: 4CPU, 8HD, cost:"+multipc2.getCost()+", price:"+multipc2.getPrice());
}
}
abstract class AllPC
{
CPU cpu;
HD hd;
abstract double getPrice();
abstract double getCost();
}
class PC extends AllPC
{
PC()
{
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return (cpu.getCost()+hd.getCost())*1.8;
}
double getCost()
{
return (cpu.getCost()+hd.getCost())+500;
}
}
class MultiPC extends AllPC
{
int countCPU;
int countHD;
MultiPC(int a,int b)
{
countCPU=a;
countHD=b;
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.8;
}
double getCost()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.2;
}
}
abstract class Note
{
LCD lcd;
CPU cpu;
HD hd;
double getCost()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*1.4;
}
double getPrice()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*2.0;
}
}
class MiniNote extends Note
{
MiniNote()
{
lcd=new LCD(10);
cpu=new CPU(1.66);
hd=new HD("120G");
}
}
class Note15 extends Note
{
Note15()
{
lcd=new LCD(15);
cpu=new CPU(2.2);
hd=new HD("160G");
}
}
abstract class unit
{
int cost;
double getCost()
{
return cost;
}
}
class LCD extends unit
{
LCD(int a)
{
if(a==10)
cost=2000;
else if(a==15)
cost=2500;
else if(a==17)
cost=3000;
}
}
class CPU extends unit
{
CPU(double a)
{
if(a==1.66)
cost=6000;
else if(a==2.2)
cost=8000;
else if(a==2.4)
cost=11000;
}
}
class HD extends unit
{
HD(String a)
{
if(a.equals("120G"))
cost=2400;
else if(a.equals("160G"))
cost=2800;
}
}
/******
檔名：JPA06_3.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
class JPA06_3
{
public static void main(String args[])
{
PC pc = new PC();
Note15 note15 = new Note15();
if(pc.isExpensive(note15))
System.out.println("PC is more expensive than Note15");
else
System.out.println("Note15 is more expensive than PC");
}
}
abstract class AllPC
{
CPU cpu;
HD hd;
boolean isExpensive(Note a)
{
double x=this.getPrice();
double y=a.getPrice();
if(x>y)
return true;
else
return false;
}
abstract double getPrice();
abstract double getCost();
}
class PC extends AllPC
{
PC()
{
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return (cpu.getCost()+hd.getCost())*1.8;
}
double getCost()
{
return (cpu.getCost()+hd.getCost())+500;
}
}
class MultiPC extends AllPC
{
int countCPU;
int countHD;
MultiPC(int a,int b)
{
countCPU=a;
countHD=b;
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.8;
}
double getCost()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.2;
}
}
abstract class Note
{
LCD lcd;
CPU cpu;
HD hd;
double getCost()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*1.4;
}
double getPrice()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*2.0;
}
}
class MiniNote extends Note
{
MiniNote()
{
lcd=new LCD(10);
cpu=new CPU(1.66);
hd=new HD("120G");
}
}
class Note15 extends Note
{
Note15()
{
lcd=new LCD(15);
cpu=new CPU(2.2);
hd=new HD("160G");
}
}
abstract class unit
{
int cost;
double getCost()
{
return cost;
}
}
class LCD extends unit
{
LCD(int a)
{
if(a==10)
cost=2000;
else if(a==15)
cost=2500;
else if(a==17)
cost=3000;
}
}
class CPU extends unit
{
CPU(double a)
{
if(a==1.66)
cost=6000;
else if(a==2.2)
cost=8000;
else if(a==2.4)
cost=11000;
}
}
class HD extends unit
{
HD(String a)
{
if(a.equals("120G"))
cost=2400;
else if(a.equals("160G"))
cost=2800;
}
}
/******
檔名：JPA06_4.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
import java.util.LinkedList;
class JPA06_4
{
public static void main(String args[])
{
Order ord = new Order();
ord.in(new MiniNote());
ord.in(new Note15());
ord.in(new PC());
System.out.println(ord.revenue());
}
}
class Order
{
LinkedList<All> ll=new LinkedList<All>();
void in(All a)
{
ll.add(a);
}
double revenue()
{
double sum=0;
for(All i:ll)
{
sum+=i.getPrice();
}
return sum;
}
}
abstract class All
{
abstract double getPrice();
abstract double getCost();
}
abstract class AllPC extends All
{
CPU cpu;
HD hd;
boolean isExpensive(Note a)
{
double x=this.getPrice();
double y=a.getPrice();
if(x>y)
return true;
else
return false;
}
abstract double getPrice();
abstract double getCost();
}
class PC extends AllPC
{
PC()
{
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return (cpu.getCost()+hd.getCost())*1.8;
}
double getCost()
{
return (cpu.getCost()+hd.getCost())+500;
}
}
class MultiPC extends AllPC
{
int countCPU;
int countHD;
MultiPC(int a,int b)
{
countCPU=a;
countHD=b;
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.8;
}
double getCost()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.2;
}
}
abstract class Note extends All
{
LCD lcd;
CPU cpu;
HD hd;
double getCost()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*1.4;
}
double getPrice()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*2.0;
}
}
class MiniNote extends Note
{
MiniNote()
{
lcd=new LCD(10);
cpu=new CPU(1.66);
hd=new HD("120G");
}
}
class Note15 extends Note
{
Note15()
{
lcd=new LCD(15);
cpu=new CPU(2.2);
hd=new HD("160G");
}
}
abstract class unit
{
int cost;
double getCost()
{
return cost;
}
}
class LCD extends unit
{
LCD(int a)
{
if(a==10)
cost=2000;
else if(a==15)
cost=2500;
else if(a==17)
cost=3000;
}
}
class CPU extends unit
{
CPU(double a)
{
if(a==1.66)
cost=6000;
else if(a==2.2)
cost=8000;
else if(a==2.4)
cost=11000;
}
}
class HD extends unit
{
HD(String a)
{
if(a.equals("120G"))
cost=2400;
else if(a.equals("160G"))
cost=2800;
}
}
/******
檔名：JPA06_5.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
import java.util.LinkedList;
class JPA06_5
{
public static void main(String args[])
{
try
{
Order ord = new Order();
ord.in(new MiniNote());
ord.in(new Note15());
ord.in(new PC());
if(ord.selsey()>20000)
throw new NewException("This order exceeds 20000:"+ord.selsey());
else
System.out.println(ord.selsey());
}
catch(NewException n)
{
System.out.println(n);
}
}
}
class NewException extends Exception
{
String exc;
NewException(String a)
{
exc=a;
}
public String toString()
{
return exc;
}
}
class Order
{
LinkedList<All> ll=new LinkedList<All>();
void in(All a)
{
ll.add(a);
}
double revenue()
{
double sum=0;
for(All i:ll)
{
sum+=i.getPrice();
}
return sum;
}
double selsey()
{
double sum=0;
for(All i:ll)
{
sum+=(i.getPrice()-i.getCost());
}
return sum;
}
}
abstract class All
{
abstract double getPrice();
abstract double getCost();
}
abstract class AllPC extends All
{
CPU cpu;
HD hd;
boolean isExpensive(Note a)
{
double x=this.getPrice();
double y=a.getPrice();
if(x>y)
return true;
else
return false;
}
abstract double getPrice();
abstract double getCost();
}
class PC extends AllPC
{
PC()
{
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return (cpu.getCost()+hd.getCost())*1.8;
}
double getCost()
{
return (cpu.getCost()+hd.getCost())+500;
}
}
class MultiPC extends AllPC
{
int countCPU;
int countHD;
MultiPC(int a,int b)
{
countCPU=a;
countHD=b;
cpu=new CPU(2.4);
hd=new HD("160G");
}
double getPrice()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.8;
}
double getCost()
{
return ((cpu.getCost()*countCPU)+(hd.getCost()*countHD))*1.2;
}
}
abstract class Note extends All
{
LCD lcd;
CPU cpu;
HD hd;
double getCost()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*1.4;
}
double getPrice()
{
return (lcd.getCost()+cpu.getCost()+hd.getCost())*2.0;
}
}
class MiniNote extends Note
{
MiniNote()
{
lcd=new LCD(10);
cpu=new CPU(1.66);
hd=new HD("120G");
}
}
class Note15 extends Note
{
Note15()
{
lcd=new LCD(15);
cpu=new CPU(2.2);
hd=new HD("160G");
}
}
abstract class unit
{
int cost;
double getCost()
{
return cost;
}
}
class LCD extends unit
{
LCD(int a)
{
if(a==10)
cost=2000;
else if(a==15)
cost=2500;
else if(a==17)
cost=3000;
}
}
class CPU extends unit
{
CPU(double a)
{
if(a==1.66)
cost=6000;
else if(a==2.2)
cost=8000;
else if(a==2.4)
cost=11000;
}
}
class HD extends unit
{
HD(String a)
{
if(a.equals("120G"))
cost=2400;
else if(a.equals("160G"))
cost=2800;
}
}
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