📅  最后修改于: 2022-03-11 14:52:40.249000             🧑  作者: Mango
byte[] one = getBytesForOne();
byte[] two = getBytesForTwo();
byte[] combined = new byte[one.length + two.length];
System.arraycopy(one,0,combined,0 ,one.length);
System.arraycopy(two,0,combined,one.length,two.length);