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java 猜数字     所属分类 java 浏览量 143
java  猜数字游戏

javac Guess.java 
java Guess


import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Random; public class Guess { public static void main(String[] args) throws Exception { int magic, guess, counter = 0; String reply; Random rand = new Random(); final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); do { counter = 0; magic = rand.nextInt(100) + 1; do { System.out.print("Please guess a magic number:"); guess = readInt(br); while (guess <= 0 || guess > 100) { System.out.print("please input a int number 1~100 :"); guess = readInt(br); } counter++; if (guess > magic) System.out.print("Wrong!Too big!\n"); else if (guess < magic) System.out.print("Wrong!Too small!\n"); else System.out.print("Right!\n"); } while (guess != magic && counter < 10); System.out.print("counter = " + counter + "\n"); System.out.print("The magic is " + magic + "\n"); System.out.print("Do you want to continue(Y/N or y/n)?"); reply = br.readLine(); } while (reply != null && reply.equalsIgnoreCase("Y")); } private static int readInt(BufferedReader br) { try { String str = br.readLine(); return Integer.parseInt(str); } catch (Throwable e) { return 0; } } }
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