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- public class Flag {
- // final static int FLAG_A = 1 << 0;
- // final static int FLAG_B = 1 << 1;
- // final static int FLAG_C = 1 << 2;
- // final static int FLAG_D = 1 << 3;
- // final static int FLAG_E = 1 << 4;
- // final static int FLAG_F = 1 << 5;
- final static int FLAG_A = 0x01;
- final static int FLAG_B = 0x02;
- final static int FLAG_C = 0x04;
- final static int FLAG_D = 0x08;
- final static int FLAG_E = 0x10;
- final static int FLAG_F = 0x20;
- static int flag = 0;
- public static void test() {
- flag = FLAG_B|FLAG_C|FLAG_F;
- printFlag(); // flag : FLAG_B FLAG_C FLAG_F
- checkA(); // I don't have FLAG_A
- // flag에 FLAG_A 추가
- flag |= FLAG_A;
- printFlag(); // flag : FLAG_A FLAG_B FLAG_C FLAG_F
- checkA(); // I have FLAG_A
- // flag에 FLAG_A 제거
- flag &= ~FLAG_A;
- printFlag(); // flag : FLAG_B FLAG_C FLAG_F
- checkA(); // I don't have FLAG_A
- }
- public static void checkA() {
- if ((flag&FLAG_A) != 0) {
- Log.i("flag", "I have FLAG_A");
- } else {
- Log.i("flag", "I don't have FLAG_A");
- }
- }
- public static void printFlag() {
- String result = "flag : ";
- if ((flag&FLAG_A) != 0) result += "FLAG_A ";
- if ((flag&FLAG_B) != 0) result += "FLAG_B ";
- if ((flag&FLAG_C) != 0) result += "FLAG_C ";
- if ((flag&FLAG_D) != 0) result += "FLAG_D ";
- if ((flag&FLAG_E) != 0) result += "FLAG_E ";
- if ((flag&FLAG_F) != 0) result += "FLAG_F ";
- Log.i("flag", result);
- }
- }
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