public class myClass {

   /** this method sets the newArray's size to be the sum of the 2 other arrays
   * and assigns to the newArray's components the values of the other 2 arrays together
   * first param1 and then param2
   */

   public static double[] append(double[] param1, double[] param2) {

      double[] newArray = new double[param1.length + param2.length];
      for (int i = 0; i < newArray.length; i++) {
          if (i < 3) {
                  newArray[i] = param1[i];
          } else {
                  newArray[i] = param2[i-3];
              }
      }
      return newArray;
   }

   /** this method prints out the array **/

   public static void printValues(double[] values){

      System.out.print("[");
      for (int j=0; j<values.length-1; j++){
          System.out.print(values[j]);
          System.out.print(", ");
      }
      System.out.print(values[values.length-1]);
      System.out.print("]");
   }


   public static void main(String[] args){
      double[] array1 = {2,3,7};
      double[] array2 = {4,2,6};
      double[] appended = append(array1, array2);
      printValues(appended);
   }
}