?? bingoball.java
字號:
package bingo.shared;import java.io.Serializable;public class BingoBall implements Serializable { public int number; // must be greater than 1 and less than 75 private char letter; public static final int FREE_SPACE = -1; public static final int GAME_OVER = -2; public static final int MIN = 1; public static final int MAX = 75; public static final int RANGE = 15; public static final int MAX_B = 15; public static final int MAX_I = 30; public static final int MAX_N = 45; public static final int MAX_G = 60; public static final int MAX_O = 75; public BingoBall(byte[] b) { this(b[0]); } public BingoBall(int n) { if (n >= MIN && n <= MAX) { number = n; if (n <= MAX_B) letter = 'B'; else if (n <= MAX_I) letter = 'I'; else if (n <= MAX_N) letter = 'N'; else if (n <= MAX_G) letter = 'G'; else if (n <= MAX_O) letter = 'O'; } else if (n == GAME_OVER) { number = GAME_OVER; letter = ' '; } else { number = FREE_SPACE; letter = ' '; } } public boolean equals(Object obj) { if (!(obj instanceof BingoBall)) return false; return ((BingoBall)obj).number == number; } public int hashCode() { return number; } public byte[] getBytes() { byte[] answer = { (byte)number }; return answer; } public int getNumber() { return number; } public char getLetter() { return letter; } public String toString() { return new StringBuffer().append(letter).append(number).toString(); }}?? 快捷鍵說明
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