Android/基本

for

for(int e = 0; e < 2; ++e) {
    Log.i("test", "e=" + e); // 0, 1
}
for(int i = 0; i < 2; i++) {
    Log.i("test", "i=" + i); // 0, 1
}

一行if

boolean flag = false;
String result = (flag == true) ? "ok" : "ng";
Log.i("test", "result=" + result); // ng

乱数

Log.i("test", "random=" + (int) (Math.random() * 100)); // 0~100

enum

public enum CustomStatus {
       NOT_INITIALIZED,
       INITIALIZE_FAILED,
       FILE_IO_ERROR,
       DEVICE_ID_ERROR,
       SHOW_ERROR
}
Log.i("test", "CustomStatus=" + CustomStatus.FILE_IO_ERROR); // FILE_IO_ERROR