CreW Project http://www.crew.sfc.keio.ac.jp/ 2003 5 8

I 5 1 7 1.1...................... 7 1.2..................... 10 1.2.1..................... 13 1.2.2..................... 15 1.2.3.......................... 17 1.2.4................... 19 1.3....................... 22 1.3.1........................... 22 1.3.2 HCP............... 22 1.3.3 HCP........... 23 1.4................... 24 1.4.1................... 24 1.4.2............................... 26 1.4.3.......................... 29 1.5.................................. 32 2 (1) 33 2.1.................................. 33 2.1.1......................... 33 2.1.2............................... 37 2.1.3................... 39 2.2.................................. 41 2.2.1................................ 41 2.2.2............................ 41 2.3.................................. 45 2.3.1............................... 45 2.3.2............................... 45

2.4.......................... 48 2.4.1................................. 48 2.5.................................. 51

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7 1 ² { { { ² HCP ² { { 1.1 ( 1 2) 1: 1: public class AddTwoNumberSample f 2: 3: public static void main(string[] args) f 4: int a, b, c; 5: a = Input.getInt(); 6: b = Input.getInt(); 7: c = a + b; 8: System.out.println(c); 9: g 10: 11: g

8 1 2: 1: /** 2: * 3: * 4: * 5: * 6: * 7: * @author Manabu Sugiura 8: * @version $Id: AddTwoNumberApplication.java,v 1.9 2003/05/20 12:24:47 duskin Exp $ 9: */ 10: public class AddTwoNumberApplication f 11: 12: public static void main(string[] args) f 13: AddTwoNumberApplication addtwonumberapplication = 14: new AddTwoNumberApplication(); 15: addtwonumberapplication.main(); 16: g 17: 18: void main() f 19: 20: int firstnumber; // 21: int secondnumber; // 22: int result; // 23: 24: // 25: System.out.println(" "); 26: System.out.println(" 2 0 "); 27: 28: // 29: System.out.print(" >>"); 30: System.out.flush(); 31: firstnumber = Input.getInt(); 32: 33: // 34: System.out.print(" >>"); 35: System.out.flush(); 36: secondnumber = Input.getInt(); 37: 38: // 39: while (firstnumber!= 0 secondnumber!= 0) f // 40: 41: // 42: result = firstnumber + secondnumber; 43: 44: // 45: System.out.println(" " + result + " "); 46: 47: // 48: System.out.print(" >>"); 49: System.out.flush(); 50: firstnumber = Input.getInt(); 51: 52: // 53: System.out.print(" >>");

1.1 9 54: System.out.flush(); 55: secondnumber = Input.getInt(); 56: g 57: 58: // 59: System.out.println(" "); 60: g 61: g ²

10 1 1.2 No 3: 1: public class Example f 2: 3: public static void main(string[] args) f 4: Example example = new Example(); 5: example.main(); 6: g 7: 8: void main()f 9: int a = 49; 10: int b = 73; 11: int c = 100; 12: int d = 45; 13: int e = 25; 14: double x = a + b + c + d + e; 15: double y = x / 5.0; 16: y = y * 10; 17: if((y % 10) >= 5)f 18: y = y + 10; 19: g 20: int z = (int)(y / 10); 21: System.out.println(z); 22: 23: g

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1.2 13 1.2.1 4 4: 1: public class Example f 2: 3: public static void main(string[] args) f 4: Example example = new Example(); 5: example.main(); 6: g 7: 8: void main() f 9: 10: int a = 49; 11: int b = 73; 12: int c = 100; 13: int d = 45; 14: int e = 25; 15: 16: double x = a + b + c + d + e; 17: double y = x / 5.0; 18: 19: y = y * 10; 20: if ((y % 10) >= 5) f 21: y = y + 10; 22: g 23: int z = (int) (y / 10); 24: 25: System.out.println(z); 26: g 27: g ( 1.1) Java fg Java ( 1.2) TAB TAB 1 2

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1.2 15 1.2.2 Java a bbb 5: 1: public class ScoreAdministratorSample f 2: 3: public static void main(string[] args) f 4: ScoreAdministratorSample scoreadministratorsample = 5: new ScoreAdministratorSample(); 6: scoreadministratorsample.main(); 7: g 8: 9: void main() f 10: 11: int japanese = 49; 12: int mathematics = 73; 13: int science = 100; 14: int civics = 45; 15: int english = 25; 16: 17: double total = japanese + mathematics + science + civics + english; 18: double average = total / 5.0; 19: 20: average = average * 10; 21: if ((average % 10) >= 5) f 22: average = average + 10; 23: g 24: int result = (int) (average / 10); 25: 26: System.out.println(result); 27: g 28: g 1.2.2.1 Java Java 2 2

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1.2 17 1.2.3 6 6: 1: public class ScoreAdministratorSample f 2: 3: public static void main(string[] args) f 4: ScoreAdministratorSample scoreadministratorsample = 5: new ScoreAdministratorSample(); 6: scoreadministratorsample.main(); 7: g 8: 9: void main() f 10: // 11: int japanese = 49; // japanese 12: int mathematics = 73; // mathematics 13: int science = 100; // science 14: int civics = 45; // civics 15: int english = 25; // english 16: 17: // total 5 average 18: double total = japanese + mathematics + science + civics + english; 19: double average = total / 5.0; 20: 21: //average 10 10 22: average = average * 10; 23: if ((average % 10) >= 5) f // 5 24: average = average + 10; //10 25: g 26: // result 27: int result = (int) (average / 10); 28: 29: // result 30: System.out.println(result); 31: g 32: g

18 1 1.2.3.1 Java /* */ /* */ Java Javadoc /** * /** * Java */ // int x;// ( 6) ²

1.2 19 1.2.4 1.2.4.1 6 //average 10 10 average = average * 10; if ((average % 10) >= 5) f // 5 average = average + 10; //10 g ² // average = average * 10; if ((average % 10) >= 5) f // average = average + 10; // g int result = (int) (average / 10); 7 7: 1: /** 2: * 3: * 4: * 5: * 6: * @author Manabu Sugiura 7: * @version $Id: ScoreAdministratorSample.java,v 1.11 2003/08/08 13:15:50 duskin Exp $ 8: */ 9: public class ScoreAdministratorSample f 10: 11: public static void main(string[] args) f

20 1 12: ScoreAdministratorSample scoreadministratorsample = 13: new ScoreAdministratorSample(); 14: scoreadministratorsample.main(); 15: g 16: 17: void main() f 18: 19: // 20: int japanese = 49; // 21: int mathematics = 73; // 22: int science = 100; // 23: int civics = 45; // 24: int english = 25; // 25: 26: // 27: double total = japanese + mathematics + science + civics + english; 28: // 29: double average = total / 5.0; // 30: 31: // 32: average = average * 10; 33: if ((average % 10) >= 5) f // 34: average = average + 10; // 35: g 36: int result = (int) (average / 10); 37: 38: // 39: System.out.println(result); 40: g 41: g 1.2.4.2 3 ² ( )

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1.4 25 8: 1: /** 2: * 3: * 4: * @author Manabu Sugiura 5: * @version $Id: GreetingApplication.java,v 1.3 2003/05/04 16:25:14 macchan Exp $ 6: */ 7: public class GreetingApplication f 8: 9: public static void main(string[] args) f 10: GreetingApplication greetingapplication = new GreetingApplication(); 11: greetingapplication.main(); 12: g 13: 14: void main() f 15: 16: String name; // 17: 18: // 19: System.out.println(" "); 20: 21: // 22: System.out.println(" "); 23: System.out.print(">>"); 24: System.out.flush(); 25: name = Input.getString(); 26: 27: // 28: System.out.println(" " + name + " "); 29: System.out.println(" "); 30: 31: // 32: System.out.println(" "); 33: g 34: g 2

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1.4 27 9: 1: /** 2: * 3: * 4: * 5: * 6: * @author Manabu Sugiura 7: * @version $Id: GreetingApplication.java,v 1.5 2003/05/04 20:30:23 gackt Exp $ 8: */ 9: public class GreetingApplication f 10: 11: public static void main(string[] args) f 12: GreetingApplication greetingapplication = new GreetingApplication(); 13: greetingapplication.main(); 14: g 15: 16: void main() f 17: 18: String name; // 19: 20: // 21: System.out.println(" "); 22: 23: // 24: System.out.println(" "); 25: System.out.print(">>"); 26: System.out.flush(); 27: name = Input.getString(); 28: 29: // 30: while (name.length()!= 0) f 31: 32: // 33: System.out.println(" " + name + " "); 34: System.out.println(" "); 35: 36: // 37: System.out.println(" "); 38: System.out.print(">>"); 39: System.out.flush(); 40: name = Input.getString(); 41: g 42: 43: // 44: System.out.println(" "); 45: g 46: g

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C C D D 30 1 "!$#"%'& (*) +,' " -$. / bdcfe 6cfe A g Y A g Y UWVYX %Z < @B3 U[VYX %Z G'\ 0$13246587:9;/<=.>?<A@3B3 24?5E-17F9HGAI.J3K L M %"NPORQ"%"S /T " 0$] /^3_`aT :"!$#'%"&:(h) 1 U[V 6ij`k6 /l\nm3 1.11: HCP 10: 1: /** 2: * 3: * 4: * 5: * 6: * ( ) 7: * 8: * @author Manabu Sugiura 9: * @version $Id: DivideTwoNumberApplication.java,v 1.10 2003/05/04 20:29:51 gackt Exp $ 10: */ 11: public class DivideTwoNumberApplication f 12: 13: public static void main(string[] args) f 14: DivideTwoNumberApplication dividetwonumberapplication = 15: new DivideTwoNumberApplication(); 16: dividetwonumberapplication.main(); 17: g 18: 19: void main() f

1.4 31 20: 21: int firstnumber; // 22: int secondnumber; // 23: int result; // 24: 25: // 26: System.out.println(" "); 27: System.out.println(" "); 28: 29: // 30: System.out.println(" "); 31: System.out.print(">>"); 32: System.out.flush(); 33: firstnumber = Input.getInt(); 34: 35: // 36: System.out.println(" "); 37: System.out.print(">>"); 38: System.out.flush(); 39: secondnumber = Input.getInt(); 40: 41: // 42: while (firstnumber!= 0 secondnumber!= 0) f 43: 44: // 45: if (secondnumber == 0) f // 46: System.out.println("!"); 47: break; // 48: g 49: 50: // 51: result = firstnumber / secondnumber; 52: System.out.println(" " + result + " "); 53: 54: // 55: System.out.println(" "); 56: System.out.print(">>"); 57: System.out.flush(); 58: firstnumber = Input.getInt(); 59: 60: // 61: System.out.println(" "); 62: System.out.print(">>"); 63: System.out.flush(); 64: secondnumber = Input.getInt(); 65: g 66: 67: // 68: System.out.println(" "); 69: g 70: g

32 1 1.5 1 2 2 HealthCareSample.java 3 AddTwoNumberApplication.java

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36 2 (1) 11: 1: /** 2: * 3: * 4: * 5: * 6: * 7: * @author macchan 8: * @version $Id: JankenApplication.java,v 1.11 2003/05/04 20:54:13 gackt Exp $ 9: */ 10: public class JankenApplication f 11: 12: public static void main(string[] args) f 13: JankenApplication jankenapplication = new JankenApplication(); 14: jankenapplication.main(); 15: g 16: 17: void main() f 18: 19: String playernamea; // A 20: String playernameb; // B 21: int playerhanda; // A 22: int playerhandb; // B 23: int i; // 24: 25: // 26: System.out.println(" "); 27: System.out.println(" A "); 28: 29: // A 30: System.out.println(" A "); 31: System.out.print(">>"); 32: System.out.flush(); 33: playernamea = Input.getString(); 34: 35: // B 36: System.out.println(" B "); 37: System.out.print(">>"); 38: System.out.flush(); 39: playernameb = Input.getString(); 40: 41: // 42: while (true) f 43: 44: // A 45: System.out.println(playerNameA + " "); 46: System.out.println("1., 2., 3. (0. )"); 47: System.out.print(">>"); 48: System.out.flush(); 49: playerhanda = Input.getInt(); 50: 51: // 52: if (playerhanda == 0) f // 53: break; //

2.1 37 54: g 55: 56: // 57: i = 0; 58: while (i < 100) f 59: System.out.println(); 60: i = i + 1; 61: g 62: 63: // B 64: System.out.println(playerNameB + " "); 65: System.out.println("1., 2., 3. "); 66: System.out.print(">>"); 67: System.out.flush(); 68: playerhandb = Input.getInt(); 69: 70: // 71: if (playerhanda == 1 && playerhandb == 2) f // VS 72: System.out.println(playerNameA + " "); 73: g else if (playerhanda == 1 && playerhandb == 3) f // VS 74: System.out.println(playerNameB + " "); 75: g else if (playerhanda == 2 && playerhandb == 1) f // VS 76: System.out.println(playerNameB + " "); 77: g else if (playerhanda == 2 && playerhandb == 3) f // VS 78: System.out.println(playerNameA + " "); 79: g else if (playerhanda == 3 && playerhandb == 1) f // VS 80: System.out.println(playerNameA + " "); 81: g else if (playerhanda == 3 && playerhandb == 2) f // VS 82: System.out.println(playerNameB + " "); 83: g else if (playerhanda == playerhandb) f // 84: System.out.println(" "); 85: g else f // 86: System.out.println(" "); 87: g 88: g 89: 90: // 91: System.out.println(" "); 92: g 93: g 2.1.2 11 playerhanda playerhandb 1,2,3 0.05 " " ( 1) ( playerhand)

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d 46 2 (1) egfh)i %jgkolutwvx g =!#"$&% ')(*,+-./ 0!2"$3% '546 1 7 8 9 78 :<; 9 78 egfh)i %jgkolm!#" onp q 6sr `acb BEDZHIARFRy=z{J?D}HW~YET S?T@QC>ULONV?BCQ >@? ACBEDGFIHKJMLONP? BRQ J\YETU]^HIB@_ FI>IQR>RLONV? BCQ >U? ARBWDGFCHKJMXZYWJ[Q U U 2.14: HCP 12: 1: public class PriceTagApplication f 2: 3: public static void main(string[] args) f 4: PriceTagApplication pricetagapplication = new PriceTagApplication(); 5: pricetagapplication.main(); 6: g 7: 8: void main() f 9: 10: double consumptiontax = 0.05; // 11: int fixedprice; // 12: int discountprice; // 13: int taxincludedprice; // 14: int discountrate; // 15: 16: // 17: System.out.println(" "); 18: System.out.println(" "); 19:

2.3 47 20: // 21: while (true) f 22: 23: // 24: System.out.println(" "); 25: System.out.print(">>"); 26: System.out.flush(); 27: fixedprice = Input.getInt(); 28: 29: // 30: if (fixedprice == 0) f // 31: System.out.println(" "); 32: break; // 33: g 34: 35: // 36: System.out.println(" "); 37: System.out.print(">>"); 38: System.out.flush(); 39: discountrate = Input.getInt(); 40: 41: // 42: discountprice = 43: (int) (fixedprice * (1 - (double) discountrate / 100)); 44: 45: // 46: taxincludedprice = (int) (discountprice * (1 + consumptiontax)); 47: 48: // 49: System.out.println("--------------------"); 50: System.out.println(" :" + fixedprice + " "); 51: System.out.println("--------------------"); 52: System.out.println( 53: " :" + discountprice + " " + discountrate + "%OFF "); 54: System.out.println("--------------------"); 55: System.out.println(" " + taxincludedprice + " "); 56: System.out.println("--------------------"); 57: g 58: 59: // 60: System.out.println(" "); 61: g 62: g Java Tips ² () ² break while break

48 2 (1) 2.4 2.4.1 11 1,2,3 1,2,3 2.15 /.1023 3!#"$&%('*) +-,!4"/$&%'*) 576 6!#"/$&%'8) 2.15: 13 13: ( ) 1: /** 2: * 3: * 4: * 5: * 6: * 7: * 8: * @author macchan 9: * @version $Id: JankenApplication.java,v 1.5 2003/05/04 20:54:13 gackt Exp $ 10: */ 11: public class JankenApplication f 12: 13: public static void main(string[] args) f 14: JankenApplication jankenapplication = new JankenApplication(); 15: jankenapplication.main(); 16: g 17: 18: void main() f 19: 20: final int GOO = 1; // 21: final int CHOKI = 2; // 22: final int PAA = 3; //

2.4 49 23: 24: String playernamea; // A 25: String playernameb; // B 26: int playerhanda; // A 27: int playerhandb; // B 28: int i; // 29: 30: // 31: System.out.println(" "); 32: System.out.println(" A "); 33: 34: // A 35: System.out.println(" A "); 36: System.out.print(">>"); 37: System.out.flush(); 38: playernamea = Input.getString(); 39: 40: // B 41: System.out.println(" B "); 42: System.out.print(">>"); 43: System.out.flush(); 44: playernameb = Input.getString(); 45: 46: // 47: while (true) f 48: 49: // A 50: System.out.println(playerNameA + " "); 51: System.out.println("1., 2., 3. (0. )"); 52: System.out.print(">>"); 53: System.out.flush(); 54: playerhanda = Input.getInt(); 55: 56: // 57: if (playerhanda == 0) f // 58: break; // 59: g 60: 61: // 62: i = 0; 63: while (i < 100) f 64: System.out.println(); 65: i = i + 1; 66: g 67: 68: // B 69: System.out.println(playerNameB + " "); 70: System.out.println("1., 2., 3. "); 71: System.out.print(">>"); 72: System.out.flush(); 73: playerhandb = Input.getInt(); 74: 75: // 76: if (playerhanda == GOO && playerhandb == CHOKI) f // VS

50 2 (1) 77: System.out.println(playerNameA + " "); 78: g else if (playerhanda == GOO && playerhandb == PAA) f // VS 79: System.out.println(playerNameB + " "); 80: g else if (playerhanda == CHOKI && playerhandb == GOO) f // VS 81: System.out.println(playerNameB + " "); 82: g else if (playerhanda == CHOKI && playerhandb == PAA) f // VS 83: System.out.println(playerNameA + " "); 84: g else if (playerhanda == PAA && playerhandb == GOO) f // VS 85: System.out.println(playerNameA + " "); 86: g else if (playerhanda == PAA && playerhandb == CHOKI) f // VS 87: System.out.println(playerNameB + " "); 88: g else if (playerhanda == playerhandb) f // 89: System.out.println(" "); 90: g else f // 91: System.out.println(" "); 92: g 93: g 94: 95: // 96: System.out.println(" "); 97: g 98: g 3 final [ ] [ ] = [ ]; 3

2.5 51 2.5 1 2 14 14: 2 /** * * * @author Manabu Sugiura * @version $Id: AddTwoNumbersSample.java,v 1.4 2003/05/04 17:16:47 macchan Exp $ */ public class AddTwoNumbersSample f public static void main(string args[]) f AddTwoNumbersSample addtwonumberssample = new AddTwoNumbersSample(); addtwonumberssample.main(); g void main() f g g int numbera; // int numberb; // // numbera = 3; numberb = 5; // System.out.println( numbera + " " + numberb + " " + numbera + numberb + " ");

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