concatenate two arrays in java
import java.util.Arrays;
public class Concat {
public static void main(String[] args) {
int[] array1 = {1, 2, 3};
int[] array2 = {4, 5, 6};
int aLen = array1.length;
int bLen = array2.length;
int[] result = new int[aLen + bLen];
System.arraycopy(array1, 0, result, 0, aLen);
System.arraycopy(array2, 0, result, aLen, bLen);
System.out.println(Arrays.toString(result));
}
}