public static void main(String[] args) {
// for each ile cozumu String[] arr3 = {"A", "B", "C","Z","N"}; String[] arr4 = {"D", "E", "F","G","U"};
ArrayList<String> list1 = new ArrayList<>(); //[A, B, C, Z, N, D, E, F, G, U] for( String each: arr3 ){ list1.add( each ); } for(String each1 : arr4 ){ list1.add(each1); } System.out.println(list1); // [A, B, C, Z, N, D, E, F, G, U] }

public static void main(String[] args) {
// for each ile cozumu String[] arr3 = {"A", "B", "C","Z","N"}; String[] arr4 = {"D", "E", "F","G","U"};
ArrayList<String> list1 = new ArrayList<>(); //[A, B, C, Z, N, D, E, F, G, U] for( String each: arr3 ){ list1.add( each ); } for(String each1 : arr4 ){ list1.add(each1); } System.out.println(list1); // [A, B, C, Z, N, D, E, F, G, U] }

Object[] arrThree = new Object[arrTwo.length + arrOne.length];
int index = arrTwo.length;
for (int i = 0; i < arrTwo.length; i++) { arrThree[i] = arrTwo[i];
}
for (int i = 0; i < arrOne.length; i++) { arrThree[i + index] = arrOne[i];
}

 public static void main(String[] args) { int[] x = {1, 2, 3}; int[] y = {4, 5, 6}; int[] merge = new int[x.length + y.length]; for (int i = 0; i < x.length; i++) { merge[i] += x[i]; } for (int i = 0; i < y.length; i++) { merge[x.length + i] += y[i]; } System.out.println(Arrays.toString(merge)); }