getter / setter

 

 

 

 

 

 

package test;

public class Exam {
	private int kor;
	private int math;
	private int eng;
	
	public Exam(){ //exam 생성자
//		this.kor = 10;
//		this.math = 10;
//		this.eng = 10;
		//기본 생성자 > 이제 안씀.
		this(10,10,10);
	}
	
	

	public Exam(int kor, int math, int eng) { //오버로드 생성자
		this.kor = kor;
		this.eng = eng;
		this.math = math;
	}



	public int getKor() {
		return kor;
	}



	public void setKor(int kor) {
		this.kor = kor;
	}



	public int getMath() {
		return math;
	}



	public void setMath(int math) {
		this.math = math;
	}



	public int getEng() {
		return eng;
	}



	public void setEng(int eng) {
		this.eng = eng;
	}
	
	
	
	
}

 

 

 

package test;

public class NewlecExam extends Exam{//상속받음
	private int com;
	
	
	public NewlecExam() {
		this(10,10,10,10);
	}


	public NewlecExam(int kor, int math, int eng, int com) {
		super(kor,math,eng); //부모꺼
		this.com = com; //자기꺼
	}


	public int getCom() {
		return com;
	}


	public void setCom(int com) {
		this.com = com;
	}
	
	public int total(int kor, int math, int eng, int com) {
		int total = kor+math+eng+com;
		return total;
	}
}

 

 

 

 

 

package test;

public class NewlecExam2 extends Exam{
	private int java;
	
	public NewlecExam2() {
		this(10,10,10,10);
	}
	//오버로드생성자는 기본생성자를 무조건 갖고있어야한다.
	public NewlecExam2(int kor,int math,int eng,int java) {
		super(kor,math,eng);
		this.java = java;
	}
	
	public int getJava() {
		return java;
	}
	
	public void setJava(int java) {
		this.java = java;
	}
}

 

 

 

 

package test;
public class Program {

	public static void main(String[] args) {
		//출력만하는곳
		NewlecExam exam = new NewlecExam();
		NewlecExam2 exam2 = new NewlecExam2();
		//사용할수있게
		
		int a = exam.getCom(); //가져옴
		System.out.println(a);
		exam.setCom(90); //90으로 설정함
		
		int b = exam.getCom(); //90으로 set한걸 다시 가져옴
		System.out.println(b);
		
		int total = exam.total(100,100,100,100);
		System.out.println(total);
		
		exam2.setJava(100);
		int c = exam2.getJava();
		System.out.println(c);
		
		
	}

}