public?class?car?{
public?void?methods(){
int?num=60;
System.out.println("汽車可以在陸地上運(yùn)輸"+num+"名游客;");
}
}

public?class?plane?extends?car?{
public?void?mothods(){
int?num=300;
System.out.println("飛機(jī)可以在空中運(yùn)輸"+num+"名游客;");
}
}

public?class?ship?extends?plane?{
public?void?methods(){
int?num=200;
System.out.println("輪船可以在海上運(yùn)輸"+num+"名游客;");
}
}

public?class?Result?{

public?static?void?main(String[]?args)?{
//?TODO?Auto-generated?method?stub
?????car?one1=new?car();
?????car?one2=new?ship();
?????car?one3=new?plane();
?????one1.methods();
?????one2.methods();
?????one3.methods();
}

}