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parkmaeilparkmaeil
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1 parent 7144175 commit e5ff7ba

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‎JavaTPC/src/kr/bit/Book.java‎

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package kr.bit;
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// 책(객체)->제목, 가격, 출판사, 페이지수..........(상태정보) + (행위정보:동작=메서드)
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public class Book {
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public String title;
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public int price;
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public String company;
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public int page;
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}

‎JavaTPC/src/kr/bit/PersonVO.java‎

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package kr.bit;
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// ȸ¿ø->À̸§, ³ªÀÌ, ¸ö¹«°Ô, Å°...
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public class PersonVO {
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public String name;
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public int age;
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public float weight;
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public float height;
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}

‎JavaTPC/src/kr/poly/A.java‎

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package kr.poly;
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import java.lang.*;
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public class A extends Object {
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public A() {
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super();
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}
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public void display() {
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System.out.println("나는 A이다.");
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}
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@Override
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public String toString() {
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return "재정의 메서드 입니다.";
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}
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}

‎JavaTPC/src/kr/poly/Animal.java‎

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package kr.poly;
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public abstract class Animal{ // 추상클래스(불완전한, 장애객체)-->Animal ani=new Animal(); X
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// Dog, Cat -->eat()
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public abstract void eat(); // 추상메서드=>불완전한메서드,장애메서드
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public void move() { // 구현메서드
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System.out.println("무리를 지어서 이동한다.");
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}
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}

‎JavaTPC/src/kr/poly/Cat.java‎

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package kr.poly;
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public class Cat extends Animal{
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public void night() {
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System.out.println("밤에 눈에서 빛이난다.");
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}
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@Override
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public void eat() {
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System.out.println("고양이 처럼 먹다.");
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}
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}

‎JavaTPC/src/kr/poly/Dog.java‎

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package kr.poly;
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public class Dog extends Animal{ // eat() { ? }
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// 이름, 나이, 종 : 상태정보
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// 재정의(override)
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public Dog() {
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super();//new Animal();
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}
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@Override
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public void eat() {
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System.out.println("객처럼 먹다.");
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}
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}

‎JavaTPC/src/kr/poly/Radio.java‎

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package kr.poly;
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public class Radio implements RemoCon {
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@Override
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public void chUp() {
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System.out.println("Radio 채널이 올라간다.");
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}
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@Override
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public void chDown() {
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System.out.println("Radio 채널이 내려간다.");
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}
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@Override
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public void internet() {
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System.out.println("Radio는 인터넷이 지원되지 않는다.");
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}
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}

‎JavaTPC/src/kr/poly/RemoCon.java‎

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package kr.poly;
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public interface RemoCon { // 객체생성X ; RemoCon r=new RemoCon();
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// final static(상수)를 사용가능
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public int MAXCH=100; // RemoCon.MAXCH
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public final static int MINCH=1; // RemoCon.MINCH
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// 추상메서드
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public void chUp();
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public void chDown();
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public void internet() ;
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}

‎JavaTPC/src/kr/poly/TPC07.java‎

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package kr.poly;
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public class TPC07 {
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public static void main(String[] args) {
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int a=20;
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float b=56.7f;
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// a+b=?
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float v=sum(a,b); //Call By Value
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System.out.println(v); // 76.7
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int[] arr= {1,2,3,4,5};
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int vv=arrSum(arr); // Call By Reference(¹øÁö)
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System.out.println(vv); // 15
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}
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private static int arrSum(int[] a) {
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int hap=0;
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for(int i=0;i<a.length;i++) {
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hap+=a[i];
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}
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return hap;
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}
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public static float sum(int a, float b) {
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float v=a+b;
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return v;
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}
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}

‎JavaTPC/src/kr/poly/TV.java‎

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package kr.poly;
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public class TV implements RemoCon{
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int currCH=70;
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@Override
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public void chUp() {
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// 100 < 100
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if(currCH<RemoCon.MAXCH) {
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currCH++;
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System.out.println("TV의 채널이 올라간다.:"+currCH);
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}else {
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currCH=1;
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System.out.println("TV의 채널이 올라간다.:"+currCH);
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}
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}
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@Override
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public void chDown() {
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if(currCH > RemoCon.MINCH) {
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currCH--;
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System.out.println("TV의 채널이 내려간다.:"+currCH);
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}else {
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currCH=100;
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System.out.println("TV의 채널이 내려간다.:"+currCH);
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}
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}
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@Override
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public void internet() {
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System.out.println("인테넷이 된다.");
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}
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// 추가적인 기능을 구현....
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}

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