面向對象入門實例：小明去考試

 

 

 

第一種

public class TestDemo {
	public static void main(String[] args) {
		
		Bike bike = new Bike("ofo自行車", "黃色的", 1880);
		School school = new School("外國語中學", "長江路199號的浦口");
		Person person = new Person("小明", 15, "天墉城十六街區");
		person.goToSchool(bike, school);

		Content content = new Content(5, 10);
		person.exam(content);
	}
}

public class Bike {
	String name;
	String color;
	int price;

	public Bike() {

	}

	public Bike(String name, String color, int price) {
		this.name = name;
		this.color = color;
		this.price = price;
	}

	public void move(Person person, School school) {
		System.out.println(person.age 
			+ "歲的" 
			+ person.name 
			+ "騎着一輛價值"
			+ price
			+ color
			+ name
			+ "去"
			+ school.address
			+ school.name);
	}
}

public class School {
	String name;
	String address;

	public School() {

	}

	public School(String name, String address) {
		this.name = name;
		this.address = address;
	}
}

public class Content {
	int chioce;
	int judge;

	public Content() {

	}
 
	public Content(int chioce, int judge) {
		this.chioce = chioce;
		this.judge = judge;
	}

	public void exam(Person person) {
		for(int x = 0; x < chioce; x++) {
			System.out.println(person.age 
				+ person.name 
			+ "作"
			+ "選擇題" 
			+ x);
		}

		for(int x = 0; x < judge; x++) {
			System.out.println(person.name 
			+ "作"
			+ "判斷題"
			+ x);
		}
	}
}

public class Person {
	String name;
	int age;
	String address;

	public Person() {

	}

	public Person(String name, int age, String address) {
		this.name = name;
		this.age = age; 
		this.address = address;
	}

	public void goToSchool(Bike bike, School school) {
		bike.move(this, school);//把小明對象都傳給move方法
	}

	public void exam(Content content) {
		content.exam(this);
	}
}

一種是把整個對象this都傳給move方法，另一種是隻傳name，和age

public class Person {
	String name;
	int age;
	String address;
	Bike bike;

	public Person() {

	}

	public Person(String name, int age, String address, Bike bike) {
		this.name = name;
		this.age = age; 
		this.address = address;
		this.bike = bike;
	}

	public void goToSchool(School school) {
		bike.move(age, name, school);
	}

	public void exam(Content content) {
		content.exam(name);
	}
}

public class School {
	String name;
	String address;

	public School() {

	}

	public School(String name, String address) {
		this.name = name;
		this.address = address;
	}
}

 

public class Bike {
	String name;
	String color;
	int price;

	public Bike() {

	}

	public Bike(String name, String color, int price) {
		this.name = name;
		this.color = color;
		this.price = price;
	}

	public void move(int userage, String username, School school) {
		System.out.println(userage 
			+ username
			+ "他要騎着價值爲"
			+ price
			+ color
			+ name
			+ "去考試," 
			+ school.address
			+ school.name);
	}
}

public class Content {
	int chioce;
	int judge;

	public Content() {

	}
 
	public Content(int chioce, int judge) {
		this.chioce = chioce;
		this.judge = judge;
	}

	public void exam(String username) {
		for(int x = 0; x < chioce; x++) {
			System.out.println(username 
			+ "作選擇題"
			+ x);
		}

		for(int x = 0; x < judge; x++) {
			System.out.println(username 
			+ "作判斷題"
			+ x);
		}
	}
}

public class TestDemo {
	public static void main(String[] args) {
		
		Bike bike = new Bike("ofo自行車", "黃色的", 1880);
		School school = new School("外國語中學", "長江路199號的浦口");
		Person person = new Person("小明", 15, "天墉城十六街區");
		person.goToSchool(bike, school);

		Content content = new Content(5, 10);
		person.exam(content);
	}
}