java 数组合并
public static void main(String[] args) { byte[] src1 = {a,b,c} byte[] src2 = {1,2,3,4} byte[] target = new byte; int len = src1.length + src2.length; System.arraycopy(src1, 0, target, 0, src1.length); System.arraycopy(src2, 0, target, src1.length, src2.length);}System.arraycopy(src, srcOffset, tar, tarOffset, length)
src : 源数组
srcOffset:源数组中的需要复制的偏移量
tar:目标数组
tarOffset:目标数组中需要复制到的偏移量
length:需要复制源数组的长度
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