JAVA中的無符號整形

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/** * Created by Lovell on 7/7/16. */public class UnsignedUtil {    /**     * java byte (1 byte == 8 bit) (-2^7~2^7-1 : -128~127) to unsigned short(0~2^8-1 : 0~255)     *     * @param data     * @return     */    public static int getUnsignedByte (byte data){        return data&0x0FF;    }    /**     * java short (1 short == 2 byte == 16 bit) (-2^15~2^15-1 : -32768~32767) to unsigned short(0~2^16-1 : 0~65535)     *     * @param data     * @return     */    public static int getUnsignedShort (short data){        return data&0x0FFFF;    }    /**     * java int (1 int == 4 byte == 32 bit)(-2^31~2^31-1 : -2147483648~2147483647) to unsigned short(0~2^32-1 : 0~4294967295)     *     * @param data     * @return     */    public long getUnsignedInt (int data){        return data&0x0FFFFFFFF;    }}

 

JAVA中的無符號整形