Java实例---简单的宠物管理系统
2024-09-23 15:45:29
代码分析
Cat.java
package com.ftl.petshop; class Cat implements Pet
{
private String name;
private String color;
private int age;
public Cat(String name, String color, int age)
{
this.name = name;
this.color = color;
this.age = age;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public String getColor()
{
return color;
}
public void setColor(String color)
{
this.color = color;
}
public int getAge()
{
return age;
}
public void setAge(int age)
{
this.age = age;
} }
Dog.java
package com.ftl.petshop; class Dog implements Pet
{
private String name;
private String color;
private int age;
public Dog(String name, String color, int age)
{
this.name = name;
this.color = color;
this.age = age;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public String getColor()
{
return color;
}
public void setColor(String color)
{
this.color = color;
}
public int getAge()
{
return age;
}
public void setAge(int age)
{
this.age = age;
} }
Pet.java
package com.ftl.petshop; interface Pet
{
public String getName();
public String getColor();
public int getAge();
}
PetShop.java
package com.ftl.petshop; class PetShop
{
private Pet pets[];
private int foot;
public PetShop(int len)
{
if(len > 0)
{
this.pets = new Pet[len];
}
else
{
this.pets = new Pet[1];
}
} public boolean add(Pet pet)
{
if (this.foot < this.pets.length)
{
this.pets[foot] = pet;
this.foot++;
return true;
}
else
{
return false;
}
} public Pet[] search(String keyWord)
{
Pet[] p = null;
int count = 0;
for ( int i = 0; i <this.pets.length; i++)
{
if(this.pets[i]!=null)
{
if(this.pets[i].getName().indexOf(keyWord)!=-1
&& this.pets[i].getColor().indexOf(keyWord)!=-1)
{
count++;
}
}
}
System.out.println("Sum " + count + "is Right...");
p = new Pet[count];
int f = 0;
for (int i = 0; i < this.pets.length;i++)
{
if(this.pets[i].getName().indexOf(keyWord)!=-1
&& this.pets[i].getColor().indexOf(keyWord)!=-1)
{
p[f] = this.pets[i];
f++;
}
} return p;
} };
PetShopDemo.java
package com.ftl.petshop; public class PetShopDemo
{ public static void main(String[] args)
{
// TODO 自动生成的方法存根
PetShop ps = new PetShop(6);
ps.add(new Cat("W","W",2));
ps.add(new Dog("W","W",2));
ps.add(new Cat("B","B",2));
ps.add(new Cat("B","W",2));
ps.add(new Dog("W","BB",2));
ps.add(new Cat("WW","W",2));
ps.add(new Dog("AW","W",2));
print(ps.search("W"));
}
public static void print(Pet p[])
{
for (int i = 0; i < p.length; i++)
{
if(p[i]!=null)
{
System.out.println("Age "+ p[i].getAge() +" Name:"+ p[i].getColor() +" Color:" + p[i].getName());
}
}
} }
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