MergeArrays.java

public class MergeArrays {
    public static void main(String[] args) {
        int[][] arrays = {{1,2,3},{14,15,16,17}};
        int mergedArrayLen = arrays[0].length + arrays[1].length;
        int[] mergedArray = new int[mergedArrayLen];
        int mergedArrayIndex = 0;
        for(int i = 0; i < arrays.length; i++){
            for(int j = 0; j < arrays[i].length; j++) {
                mergedArray[mergedArrayIndex] = arrays[i][j];
                mergedArrayIndex++;
            }
        }

        for(int num: mergedArray){
            System.out.print(num + " ");
        }
        
        System.out.println(" ");
    }
}