&0xff的作用
System.out.print(Integer.toHexString(buf[i]&0xff)+" ");
System.out.print(Integer.toHexString(buf[i])+" ");
0xff起什么作用?
System.out.print(Integer.toHexString(buf[i]&0xff)+" ");
System.out.print(Integer.toHexString(buf[i])+" ");
0xff起什么作用?
2016-07-03
举报