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Chapter 5 Case Study
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Chapter 5 The RPS Flowchart
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import java.util.Scanner; import java.lang.Math; public class RPS { public static void main(String[] args) { final int ROCK = 1, PAPER = 2, SCISSORS = 3; int playerThrow, computerThrow; Scanner input = new Scanner(System.in); System.out.print("Enter your throw (1=Rock, 2=Paper, 3=Scissors): "); playerThrow = input.nextInt(); input.close(); computerThrow = (int)(3 * Math.random() + 1); /* random int between 1 and 3 */
![import java.util.Scanner; import java.lang.Math; public class RPS { public static void main(String[] args) { final int ROCK = 1, PAPER = 2, SCISSORS = 3; int playerThrow, computerThrow; Scanner input = new Scanner(System.in); System.out.print( Enter your throw (1=Rock, 2=Paper, 3=Scissors): ); playerThrow = input.nextInt(); input.close(); computerThrow = (int)(3 * Math.random() + 1); /* random int between 1 and 3 */](http://images.slideplayer.com./25/7967491/slides/slide_3.jpg "import java.util.Scanner; import java.lang.Math; public class RPS { public static void main(String[] args) { final int ROCK = 1, PAPER = 2, SCISSORS = 3; int playerThrow, computerThrow; Scanner input = new Scanner(System.in); System.out.print( Enter your throw (1=Rock, 2=Paper, 3=Scissors): ); playerThrow = input.nextInt(); input.close(); computerThrow = (int)(3 * Math.random() + 1); /* random int between 1 and 3 */")
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System.out.print("Player throws "); switch (playerThrow) { case ROCK: System.out.println("ROCK."); break; case PAPER: System.out.println("PAPER."); break; case SCISSORS: System.out.println("SCISSORS."); break; } System.out.print("Computer throws "); switch (computerThrow) { case ROCK: System.out.println("ROCK."); break; case PAPER: System.out.println("PAPER."); break; case SCISSORS: System.out.println("SCISSORS."); break; }
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if (playerThrow == ROCK && computerThrow == ROCK) System.out.println("It's a draw!"); else if (playerThrow == ROCK && computerThrow == PAPER) System.out.println("Computer wins!"); else if (playerThrow == ROCK && computerThrow == SCISSORS) System.out.println("Player wins!"); if (playerThrow == PAPER && computerThrow == ROCK) System.out.println("Player wins!"); else if (playerThrow == PAPER && computerThrow == PAPER) System.out.println("It's a draw!"); else if (playerThrow == PAPER && computerThrow == SCISSORS) System.out.println("Computer wins!"); if (playerThrow == SCISSORS && computerThrow == ROCK) System.out.println("Computer wins!"); else if (playerThrow == SCISSORS && computerThrow == PAPER) System.out.println("Player wins!"); else if (playerThrow == SCISSORS && computerThrow == SCISSORS) System.out.println("It's a draw!"); }
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