package ch06.object;

public class Sungjuk {
	private int num;
	private int kor;
	private int eng;
	private int math;
	
	private int total;
	private float avg;
	private String hak;
	
	public Sungjuk(int num, int kor, int eng, int math) {
		this.num=num;
		this.kor=kor;
		this.eng=eng;
		this.math=math;
	}
		
	public void total() {
		total=kor+eng+math;
	}
	
	public void average() {
		avg=(float)total/3;
	}
	
	public void hakjum() {
		if(avg>=90) {
			hak="A";
		}else if(avg>=80) {
			hak="B";
		}else if(avg>=70) {
			hak="C";
		}else if(avg>=60) {
			hak="D";
		}else if(avg<60) {
			hak="F";
		}
	}
	
	public void disp() {
		System.out.println(num + " " +avg+ " " + hak);
	}
}

package ch06.object;

public class Pay {
	private String name;
	private int bonbong;
	
	private int tex;
	private int silsu;
	
	public Pay(String name, int bonbong) {
		this.name=name;
		this.bonbong=bonbong;
	}
	
	public void yonsan() {
		tex=(int)(bonbong*0.045+0.5);
		silsu=bonbong-tex;
	}
	
	public void disp() {
		System.out.println(name + "\\t" + bonbong + "\\t" + tex + "\\t" + silsu);
		System.out.println();
	}
}

package ch06.object;

//접근제한자 : public, private, protected(상속)
//클래스의 3개 속성 : 은닉화, 다형성, 상속성

public class Saram {
	private String name;
	private String address;
	private String phoneNumber;
	private String juminBunho;
	
	//외부에서 접근이 불가능하기 때문에 함수로 간접적으로 접근시킨다.
	
	public Saram(String n, String a, String p, String j) {
		name=n;
		address=a;
		phoneNumber=p;
		juminBunho=j;
	}
	public void disp() {
		System.out.println(name);
		System.out.println(address);
		System.out.println(phoneNumber);
		System.out.println(juminBunho);
	}
}

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