자바 프로그래밍 Chapter04 실습문제

1.

class TV {
    String name;
    int year;
    int inch;
    public TV(String name, int year, int inch){
        this.name=name;
        this.year=year;
        this.inch=inch;
    }
    void show() {
        System.out.println(name+"에서 만든 "+year+"년형 "+inch+"인치 TV");
    }
}
public class _01 {
    public static void main(String[] args) {
        TV myTV = new TV("LG",2017,32);
        myTV.show();
    }
}
 

2.

import java.util.Scanner;
public class Grade {
    private int math, science, english;
    public Grade(int math, int science, int english) {
        this.math=math;
        this.science=science;
        this.english=english;
    }
    int  average() { 
        return (math+science+english)/3;
        }
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        System.out.print("수학, 과학, 영어 순으로 3개의 점수 입력>>");
        int math = scanner.nextInt();
        int science = scanner.nextInt();
        int english = scanner.nextInt();
        Grade me = new Grade(math, science, english);
        System.out.println("평균은 "+me.average());
        
        scanner.close();
    }
}
 

3.

public class Song {
    String title,artist,country;
    int year;
    public Song(int year, String country, String artist, String title){
        this.year=year;this.country=country;this.artist=artist;this.title=title;
    }
    void show() {
        System.out.println(year+"년 "+country+"국적의 "+artist+"가 부른 "+title);
    }
    public static void main(String[] args) {
        Song song = new Song(1978,"스웨덴","ABBA","Dancing Queen");
        song.show();
    }
}
 

4.