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importjava.util.ArrayList;
importjava.util.List;
?
classAnimal?{
????publicString?name;
????publicString?color;
?
????publicString?toString()?{
????????return?Name:?+?this.name?+???Color:?+?this.color;
????}
?
????/**
?????*?動物吃東西
?????*?
?????*?@param?foodName
?????*????????????食物名稱
?????*/
????publicvoideat(String?foodName)?{
?
????}
}
?
classDog?extendsAnimal?{
?
????publicDog()?{
?
????}
?
????publicDog(String?name,?String?color)?{
????????this.name?=?name;
????????this.color?=?color;
????}
?
????publicvoideat(String?foodName)?{
????????System.out.println(Dog:?+?this.name?+??like?to?eat:?+?foodName);
????}
?
}
?
classCat?extendsAnimal?{
?
????publicCat()?{
?
????}
?
????publicCat(String?name,?String?color)?{
????????this.name?=?name;
????????this.color?=?color;
????}
?
????publicvoideat(String?foodName)?{
????????System.out.println(Cat:?+?this.name?+??like?to?eat:?+?foodName);
????}
?
}
?
classTiger?extendsAnimal?{
?
????publicTiger()?{
?
????}
?
????publicTiger(String?name,?String?color)?{
????????this.name?=?name;
????????this.color?=?color;
????}
?
????publicvoideat(String?foodName)?{
????????System.out.println(Tiger:?+?this.name?+??like?to?eat:?+?foodName);
????}
?
}
?
classLion?extendsAnimal?{
?
????publicLion()?{
?
????}
?
????publicLion(String?name,?String?color)?{
????????this.name?=?name;
????????this.color?=?color;
????}
?
????publicvoideat(String?foodName)?{
????????System.out.println(Tiger:?+?this.name?+??like?to?eat:?+?foodName);
????}
?
}
?
publicclassZoo?{
?
????publicstaticList<Animal>?zooList?=?newArrayList<Animal>();
?
????/**
?????*?添加Animal對象
?????*?
?????*?@param?obj
?????*/
????publicvoidaddAnimal(Animal?obj)?{
????????zooList.add(obj);
????}
?
????/**
?????*?根據(jù)animal的名字刪除對象
?????*?
?????*?@param?obj
?????*????????????Animal對象
?????*/
????publicvoiddeleteAnimal(Animal?obj)?{
????????booleandeleteFlag?=?false;
????????for(intindex?=?0;?null!=?zooList?&&?index?<?zooList.size();?index++)?{
????????????if(zooList.get(index).name.equals(obj.name))?{
????????????????zooList.remove(index);
????????????????deleteFlag?=?true;
????????????????System.out.println(刪除:?+?obj?+??成功);
????????????}
?
????????}
?
????????if(!deleteFlag)?{
????????????System.out.println(找不到該動物:?+?obj);
????????}
?
????}
?
????/**
?????*?更新Animal對象信息
?????*?
?????*?@param?obj
?????*????????????Animal對象
?????*/
????publicvoidupdateAnimal(Animal?obj)?{
????????booleanflag?=?false;
????????
????????for(intindex?=?0;?null!=?zooList?&&?index?<?zooList.size();?index++)?{
????????????if(zooList.get(index).name.equals(obj.name))?{
????????????????zooList.get(index).name?=?obj.name;
????????????????zooList.get(index).color?=?obj.color;
????????????????flag?=?true;
????????????????System.out.println(\n修改成功);
????????????}
?
????????}
????????
????????if(!flag)?{
????????????System.out.println(找不到該動物:?+?obj);
????????}
????}
?
????/**
?????*?根據(jù)動物名字查詢
?????*?
?????*?@param?animalName
?????*????????????動物名字
?????*/
????publicvoidcheckAniaml(String?animalName)?{
????????booleanflag?=?false;
????????for(intindex?=?0;?null!=?zooList?&&?index?<?zooList.size();?index++)?{
????????????if(zooList.get(index).name.equals(animalName))?{
????????????????System.out.println(zooList.get(index));
????????????????flag?=true;
????????????}
?
????????}
????????if(!flag)?{
????????????System.out.println(找不到該動物:?+?animalName);
????????}
????}
?
????publicvoiddisplay(List<Animal>?list)?{
????????for(intindex?=?0;?null!=?list?&&?index?<?list.size();?index++)?{
????????????System.out.println(\n+?list.get(index));
????????}
????}
?
????publicstaticvoidmain(String[]?args)?{
?
????????Zoo?zoo?=?newZoo();
?
????????zoo.addAnimal(newDog(dog1,?black));
????????zoo.addAnimal(newDog(dog2,?black));
?
????????zoo.addAnimal(newLion(Lion1,?black));
????????zoo.addAnimal(newLion(Lion2,?black));
?
????????zoo.addAnimal(newCat(cat1,?yellow));
????????zoo.addAnimal(newCat(cat2,?yellow));
?
????????zoo.addAnimal(newTiger(Tiger1,?yellow));
????????zoo.addAnimal(newTiger(Tiger2,?yellow));
????????
????????
????????zoo.updateAnimal(newDog(dog1,somethingselse));
????????zoo.display(zooList);
????????
????????zoo.deleteAnimal(newDog(dog2,));
????????zoo.display(zooList);
????????
????????zoo.checkAniaml(Lion1);
?
????}
}