부산IT JAVA 3-2

//학생이 버스 또는 지하철을 탔을 때 코드짜기

bus.java

package com.day03.cooperation;

public class Bus {
	
	int busNumber; //버스번호
	int passengerCount; //승객 수
	int money; //버스의 수입

	public Bus(int busNumber) {
		this.busNumber=busNumber;
	}
	
	public void take(int money) {
		this.money+=money;
		passengerCount++;
	}
	
	public void showInfo() { //버스 정보를출력하는 함수
		System.out.println("버스 "+busNumber+"번의 승객은 "+passengerCount+"명이고, 수입은 "+money+"입니다." );
	}
}

Subway.java

package com.day03.cooperation;

public class Subway {
	public String lineNumber; //지하철 노선 번호
	public int passengerCount; //승객 수
	public int money; //수입
	
	public Subway(String lineNumber) {
		this.lineNumber=lineNumber;
	}
	
	public void take(int money) {
		this.money+=money;
		passengerCount++;
	}
	
	public void showInfo() {
		System.out.println(lineNumber+"의 승객은 "+passengerCount+"명이고, 수입은"+money+"입니다.");
	}
}

Student.java

package com.day03.cooperation;

public class Student {
	public String studentName; //학생 이름
	public int grade; //학년
	public int money; //학생이 가지고 있는 돈
	
	public Student(String studentName, int money) {
		
		this.studentName=studentName;
		this.money=money;
	}
	
	public void takeBus(Bus bus) {
		bus.take(1000);
		this.money-=1000;
	}
	
	public void takeSubway(Subway subway) {
		subway.take(1500);
		this.money-=1500;
	}
	
	public void showInfo() {
		System.out.println(studentName+"님의 남은 돈은 "+money+"입니다.");
	}
}

TakeTrans.java

package com.day03.cooperation;

public class TakeTrans {

	public static void main(String[] args) {
		//두 명의 학생을 생성
		Student studentJames = new Student("James",5000);
		Student studentTomas = new Student("Tomas",10000);
		
		Bus bus100 = new Bus(100);
		studentJames.takeBus(bus100);
		studentJames.showInfo();
		bus100.showInfo();
		
		Subway subwayGreen = new Subway("2호선");
		studentTomas.takeSubway(subwayGreen);
		studentTomas.showInfo();
		subwayGreen.showInfo();
		
		studentTomas.takeBus(bus100);
		studentTomas.showInfo();
		bus100.showInfo();
	}
}