import com.sun.org.apache.xalan.internal.xsltc.compiler.sym;
/*
class Circle{
int radius; //반지름
String name; //이름
//생성자
Circle ()
{
radius = 100;
name = "몰라요";
}
Circle(int r)
{
this();
radius = r;
}
Circle(int r, String n)
{
radius = r;
name = n;
}
public double getArea() { // 원 넓이 구해주는 메소드
return 3.14*radius*radius;
}
}
public class Main {
public static void main(String[] args) {
Circle pizza = new Circle();
System.out.println(pizza.radius + ", "+pizza.name);
pizza.radius=95;
pizza.name="doyun";
System.out.println(pizza.radius + ", "+pizza.name);
Circle clock = new Circle(2,"doyun");
System.out.println(clock.radius + ", "+clock.name);
Circle donut = new Circle(18,"techer");
System.out.println(donut.radius + ", "+donut.name);
Circle jordy = new Circle(26);
System.out.println(jordy.radius + ","+jordy.name);
}
}*//*
import java.util.*;
class Book {
String title;
String author;
public Book()
{
this("","");
System.out.println("1번 생성자 호출됨");
}
public Book(String title) {
this.title = title;
author = "작자미상";
System.out.println("2번 생성자 호출됨");
}
public Book(String title,String author) {
this.title = title;
this.author = author;
System.out.println("3번 생성자 호출됨");
}
}
public class Main {
public static void main(String[] args) {
Book littleprince = new Book("어린왕자","생텍쥐페리");
Book loveStory = new Book("춘향전");
Book thriler = new Book();
//System.out.println(littleprince.title + " " + littleprince.author);
//System.out.println(loveStory.title + " " + loveStory.author);
}
}*//*
class Main{
int id;
public Main() {
this(0);
System.out.println("생성자 호출");
}
public Main(int x) {
this.id = x;
}
}
/*
class ConstructorExample{
int x;
public void setX(int x) {this.x = x; }
public int getX() { return x; }
public ConstructorExample()
{
}
public ConstructorExample(int x) {
this.x = x;
}
}
class Main{
public static void main(String[] args) {
ConstructorExample a = new ConstructorExample();
int n = a.getX();
}
}
class TV{
int year;
String name;
int inch;
public void show() {
System.out.println(name+"에서 만든 "+year+"년형"+inch+"인치 TV" );
}
public TV()
{
}
public TV(String name,int year,int inch)
{
this.name=name;
this.inch=inch;
this.year=year;
}
}
class Main{
public static void main(String[] args) {
TV myTV = new TV("LG",2017, 32);
myTV.show();
}
}*/
import java.util.*;
class Grade{
int math;
int science;
int english;
public int average() {
return (math+science+english)/3;
}
public Grade(int math,int science,int english)
{
this.math=math;
this.english=english;
this.science=science;
}
}