Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { int[] data = { 1, 2, 3, 4, 5 }; // Copy data array to new arrays int[] eData = new int[9]; int[] tData = new int[2]; System.arraycopy(data, 0, eData, 0, 5); System.arraycopy(data, 0, tData, 0, 2); System.out.println("Original Array: " + Arrays.toString(data)); System.out.println("Expanded Array: " + Arrays.toString(eData)); System.out.println("Truncated Array: " + Arrays.toString(tData)); } }