class Animal{
public void breathe(String animal){
System.out.println(animal+"呼吸空气");
}
}
public class Client{
public static void main(String[] args){
Animal animal = new Animal();
animal.breathe("牛");
animal.breathe("羊");
animal.breathe("猪");
}
}
class Terrestrial{
public void breathe(String animal){
System.out.println(animal+"呼吸空气");
}
}
class Aquatic{
public void breathe(String animal){
System.out.println(animal+"呼吸水");
}
}
public class Client{
public static void main(String[] args){
Terrestrial terrestrial = new Terrestrial();
terrestrial.breathe("牛");
terrestrial.breathe("羊");
terrestrial.breathe("猪");
Aquatic aquatic = new Aquatic();
aquatic.breathe("鱼");
}
}
class Animal{
public void breathe(String animal){
if("鱼".equals(animal)){
System.out.println(animal+"呼吸水");
}else{
System.out.println(animal+"呼吸空气");
}
}
}
public class Client{
public static void main(String[] args){
Animal animal = new Animal();
animal.breathe("牛");
animal.breathe("羊");
animal.breathe("猪");
animal.breathe("鱼");
}
}
class Animal{
public void breathe(String animal){
System.out.println(animal+"呼吸空气");
}
public void breathe2(String animal){
System.out.println(animal+"呼吸水");
}
}
public class Client{
public static void main(String[] args){
Animal animal = new Animal();
animal.breathe("牛");
animal.breathe("羊");
animal.breathe("猪");
animal.breathe2("鱼");
}
}
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