문제
리모컨의 입력(전원, 상, 하, 좌, 우)에 따라 TV, 에어컨, 로봇청소기를 제어하는 문제입니다 이를 해결하는 프로그램의 다음 실행상태에 대해 빈칸을 채우세요
프로그램의 실행순서 및 실행상태
1 public static void main (String[] args ) {
3 new TV(),
T1b public TV() {
T1e }
4 new AirConditioner(),
A1b public AirConditioner() {
A1e }
5 new RobotCleaner()
R1b public RobotCleaner() {
R1e }
2 RemoteControl[] appliance = {
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj01) |
| | | | power | false | channel | 90 | volume | 10 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj02) |
| | | | power | false | temperature | 19 | windStrength | 5 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj03) |
| | | | power | false | clickPower(), clickUp(), clickDown(), clickLeft(), ... | |
| | main() | | | | | | | | | |
| appliance[0] | |
| [1] | |
| [2] | |
6 do {
7 result = scan.next();
리모컨의 상, 하, 좌, 우, 전원, 종료 중 하나를 입력하세요 : 전원
8 if ( result.equals( "전원" ) ) {
9 for ( int i = 0; i < appliance.length; i++ ) {
10 appliance[i].clickPower();
T2b public void clickPower() {
TV 전원을 켭니다
T2e }
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj01) |
| | | | power | | channel | 90 | volume | 10 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj02) |
| | | | power | false | temperature | 19 | windStrength | 5 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj03) |
| | | | power | false | clickPower(), clickUp(), clickDown(), clickLeft(), ... | |
| | main() | | | | | | | | | |
| appliance[0] | (obj01) |
| [1] | (obj02) |
| [2] | (obj03) |
| result | 전원 |
| i | 0 |
| | () |
| this | |
9 for ( int i = 0; i < appliance.length; i++ ) {
10 appliance[i].clickPower();
A2b public void clickPower() {
에어컨 전원을 켭니다
A2e }
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj01) |
| | | | power | true | channel | 90 | volume | 10 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj02) |
| | | | power | | temperature | 19 | windStrength | 5 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj03) |
| | | | power | false | clickPower(), clickUp(), clickDown(), clickLeft(), ... | |
| | main() | | | | | | | | | |
| appliance[0] | (obj01) |
| [1] | (obj02) |
| [2] | (obj03) |
| result | 전원 |
| i | 1 |
| () |
| this | |
9 for ( int i = 0; i < appliance.length; i++ ) {
10 appliance[i].clickPower();
R2b public void clickPower() {
로봇청소기 전원을 켭니다
R2e }
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj01) |
| | | | power | true | channel | 90 | volume | 10 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj02) |
| | | | power | true | temperature | 19 | windStrength | 5 | ... | |
|
| | | | ON | true | OFF | false | clickPower(), clickUp(), ... | (obj03) |
| | | | power | | clickPower(), clickUp(), clickDown(), clickLeft(), ... | |
| | main() | | | | | | | | | |
| appliance[0] | (obj01) |
| [1] | (obj02) |
| [2] | (obj03) |
| result | 전원 |
| i | 2 |
| | () |
| this | |
9 for ( int i = 0; i < appliance.length; i++ ) {
23 } while( result.equals( "전원" ) || result.equals( "상" ) || result.equals( "하" ) || result.equals( "좌" ) || result.equals( "우" ) );
6 do {
23 } while( result.equals( "전원" ) || result.equals( "상" ) || result.equals( "하" ) || result.equals( "좌" ) || result.equals( "우" ) );
24 }
프로그램 코드
import java.util.Scanner;
import remoteControl.*;
public class AllApplianceControl
{
1 public static void main (String[] args ) {
Scanner scan = new Scanner( System.in );
2 RemoteControl[] appliance = {
3 new TV(),
4 new AirConditioner(),
5 new RobotCleaner()
};
String result = "";
6 do {
System.out.print( "리모컨의 상, 하, 좌, 우, 전원, 종료 중 하나를 입력하세요 : ");
7 result = scan.next();
8 if ( result.equals( "전원" ) ) {
9 for ( int i = 0; i < appliance.length; i++ ) {
10 appliance[i].clickPower();
}
}
11 else if ( result.equals( "상" ) ) {
12 for ( int i = 0; i < appliance.length; i++ ) {
13 appliance[i].clickUp();
}
}
14 else if ( result.equals( "하" ) ) {
15 for ( int i = 0; i < appliance.length; i++ ) {
16 appliance[i].clickDown();
}
}
17 else if ( result.equals( "좌" ) ) {
18 for ( int i = 0; i < appliance.length; i++ ) {
19 appliance[i].clickLeft();
}
}
20 else if ( result.equals( "우" ) ) {
21 for ( int i = 0; i < appliance.length; i++ ) {
22 appliance[i].clickRight();
}
}
23 } while( result.equals( "전원" ) || result.equals( "상" ) || result.equals( "하" ) || result.equals( "좌" ) || result.equals( "우" ) );
24 }
}
package remoteControl;
public interface RemoteControl
{
boolean ON = true, OFF = false;
void clickPower();
void clickUp();
void clickDown();
void clickLeft();
void clickRight();
}
package remoteControl;
import java.util.Scanner;
public class TV implements RemoteControl
{
private boolean power;
private int channel;
private int volume;
T1b public TV() {
this.power = OFF;
this.channel = 90;
this.volume = 10;
T1e }
@Override
T2b public void clickPower() {
if( this.power == OFF ) {
this.power = ON;
System.out.println( "TV 전원을 켭니다" );
}
else {
this.power = OFF;
System.out.println( "TV 전원을 끕니다" );
}
T2e }
@Override
T3b public void clickUp() {
System.out.println( "현재 채널은 " + ( ++this.channel ) + "번입니다" );
T3e }
@Override
T4b public void clickDown() {
System.out.println( "현재 채널은 " + ( --this.channel ) + "번입니다" );
T4e }
@Override
T5b public void clickLeft() {
System.out.println( "현재 음량은 " + ( --this.volume ) + "입니다" );
T5e }
@Override
T6b public void clickRight() {
System.out.println( "현재 음량은 " + ( ++this.volume ) + "입니다" );
T6e }
}
package remoteControl;
public class AirConditioner implements RemoteControl
{
private boolean power;
private int temperature, windStrength;
A1b public AirConditioner() {
this.power = OFF;
this.temperature = 19;
this.windStrength = 5;
A1e }
@Override
A2b public void clickPower() {
if( this.power == OFF ) {
this.power = ON;
System.out.println( "에어컨 전원을 켭니다" );
}
else {
this.power = OFF;
System.out.println( "에어컨 전원을 끕니다" );
}
A2e }
@Override
A3b public void clickUp() {
System.out.println( "현재 온도는 " + ( ++this.temperature ) + "도입니다" );
A3e }
@Override
A4b public void clickDown() {
System.out.println( "현재 온도는 " + ( --this.temperature ) + "도입니다" );
A4e }
@Override
A5b public void clickLeft() {
System.out.println( "현재 풍량은 " + ( --this.windStrength ) + "입니다" );
A5e }
@Override
A6b public void clickRight() {
System.out.println( "현재 풍량은 " + ( ++this.windStrength ) + "입니다" );
A6e }
}
package remoteControl;
public class RobotCleaner implements RemoteControl
{
private boolean power;
R1b public RobotCleaner() {
this.power = OFF;
R1e }
@Override
R2b public void clickPower() {
if( this.power == OFF ) {
this.power = ON;
System.out.println( "로봇청소기 전원을 켭니다" );
}
else {
this.power = OFF;
System.out.println( "로봇청소기 전원을 끕니다" );
}
R2e }
@Override
R3b public void clickUp() {
System.out.println( "직진합니다" );
R3e }
@Override
R4b public void clickDown() {
System.out.println( "후진합니다" );
R4e }
@Override
R5b public void clickLeft() {
System.out.println( "좌회전합니다" );
R5e }
@Override
R6b public void clickRight() {
System.out.println( "우회전합니다" );
R6e }
}