数组：合并两个Int数组

ArrayCombine.java

private static int[] ArrayCombine (int[] a,int[] b) {
	int[] al = new int[a.length+b.length];
	al = Arrays.copyOf(a, a.length+b.length);
	for(int i = 0;i < b.length; i++) {
		al[a.length+i] = b[i];
	}	
	return al;
}