import java.util.ArrayList;

public class TestDynamicIntArray {

  public static void main(String[] args) {

    String[] dynamicColumns = {"1","2","3","4","5"};
 
    int[] firstColumnsWidths = {0};
    int[] endColumnsWidths = {6, 7};
    int[] gotem = getTotalColumnHeaderWidths(dynamicColumns,firstColumnsWidths,endColumnsWidths);
    
  }
  
  private static int[] getTotalColumnHeaderWidths(String[] dynamicColumnsWidths, 
    int[] firstColumnsWidths, int[] endColumnsWidths){
    
    int[] dynIntArray = new int[dynamicColumnsWidths.length];
    for (int i = 0; i < dynamicColumnsWidths.length; i++) {
      dynIntArray[i] = Integer.parseInt(dynamicColumnsWidths[i]);
    }
    
    for(int i=0;i<dynIntArray.length;i++){
      System.out.println("dynIntArray[i]: "+ dynIntArray[i] );
    }
    
    int[] totalColumnsWidth = new int[firstColumnsWidths.length + dynIntArray.length + 
      endColumnsWidths.length];
    
    System.arraycopy(firstColumnsWidths, 0, totalColumnsWidth, 0, firstColumnsWidths.length);
    System.arraycopy(dynIntArray, 0, totalColumnsWidth, firstColumnsWidths.length, dynIntArray.length);
    System.arraycopy(endColumnsWidths, 0, totalColumnsWidth, firstColumnsWidths.length + 
      dynIntArray.length, endColumnsWidths.length);

    for(int i=0;i<totalColumnsWidth.length;i++){
      System.out.println("totalColumnsWidth[i]: "+ totalColumnsWidth[i] );
    }
    
    return totalColumnsWidth;
  }
}