java里如何表示16进制？

char state[][]={
                                {0x32,0x88,0x31,0xe0},
                                {0x43,0x5a,0x31,0x37},
                                {0xf6,0x30,0x98,0x07},
                                {0xa8,0x8d,0xa2,0x34}};