Encapsulation、Inheritance、Polymorphism

public class SoldierDemo {

public static void main(String[] args) {
/*Soldier test1=new Army("张三");
test1.action();
Soldier test2=new Navy("李四");
test2.action();*/
Officer test=new Officer("许三多");
test.allcommand();
System.out.println("*********************************");
test.command(test.getSoldier()[0]);
}

}
abstract class Soldier{
private String name;
public Soldier(String name){
this.name=name;
}
public abstract void fight();//抽象作战方法，由具体的士兵去实现
public void start(){
System.out.println("开始攻击");
}
public void end(){
System.out.println("结束攻击");
}
public void action(){
start();
fight();
end();
}
public String getName() {
return name;
}

}

class Army extends Soldier{
public Army(String name) {
super(name);
}

public void fight(){
System.out.println(getName()+"用步枪射击");
}
}

class Navy extends Soldier{

public Navy(String name) {
super(name);
}

public void fight() {
System.out.println(getName()+"用鱼雷射击");
}
}

class Officer extends Soldier{
//军官应该持有自己的士兵
private Soldier [] soldier=new Soldier[2];

public Soldier[] getSoldier() {
return soldier;
}

public Officer(String name) {
super(name);
soldier[0]=new Army("sofm");
soldier[1]=new Navy("uzi");
}

public void fight() {
System.out.println(getName()+"用手枪射击");
}
//军官自己特有的方法
public void allcommand(){//让所有的士兵攻击
System.out.println("指挥所有士兵");
for(int i=0;i<soldier.length;i++){
soldier[i].action();
}
this.action();//军官自己也要参与攻击
}
public void command(Soldier soldier){//让单个士兵去攻击
System.out.println("指挥具体士兵");
soldier.action();
}

}