一个类中只有一个Public
可以有多个类
public class Welcome{
Welcome(){
System.out.println("构造器");
}
public static void main(String[] args){
new Welcome();
System.out.println("Hello World!");
System.out.println("你开什么车?");
Car car = new Car();
car.setAge(6);
car.setColor("银灰色");
car.setName("奇瑞");
Man man = new Man();
man.driveCar(car);
}
}
class Man{
public void driveCar(Car car){
System.out.println(car.getName()+car.getColor()+car.getAge()+"年驾龄");
}
}
class Car{
private String name;
private String color;
private int age ;
public void setName(String name){
this.name = name;
}
public void setColor(String color){
this.color = color ;
}
public void setAge(int age){
this.age = age ;
//System.out.println("六年车龄");
}
public String getName(){
return this.name;
}
public String getColor(){
return this.color;
}
public int getAge(){
return this.age;
}
}