/**
* @author lautturi.com
* Java example: concatenate two arrays in java
*/
import java.util.*;
import org.apache.commons.lang3.ArrayUtils;
public class Lautturi {
public static void main(String[] args) {
int[] arr1 = {1, 3, 5, 2, 4};
int[] arr2 = { 11,4,2,7,55,16};
int[] mergeArr = ArrayUtils.addAll(arr1, arr2);
System.out.println(Arrays.toString(mergeArr));
}
}
output:
[1, 3, 5, 2, 4, 11, 4, 2, 7, 55, 16]
/**
* @author lautturi.com
* Java example: how to merge two arrays in java
*/
import java.util.*;
public class Lautturi {
public static void main(String[] args) {
int[] arr1 = {1, 3, 5, 2, 4};
int[] arr2 = { 11,4,2,7,55,16};
int[] mergeArr = new int[arr1.length + arr2.length];
for (int i = 0; i < arr1.length; i++) {
mergeArr[i] += arr1[i];
}
for (int i = 0; i < arr2.length; i++) {
mergeArr[arr1.length + i] += arr2[i];
}
System.out.println(Arrays.toString(mergeArr));
}
}
output:
[1, 3, 5, 2, 4, 11, 4, 2, 7, 55, 16]