content: package com.actelion.research.util;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  /**
   * ListUtils
   * <p>Modest v. Korff</p>
   * <p>
   * Created by korffmo1 on 25.10.18.
   */
  public class ListUtils {
  
      /**
       * Order dependent.
       * @param li1
       * @param li2
       * @return
       */
      public static boolean equals(List<String> li1, List<String> li2) {
  
          if(li1.size()!=li2.size()){
              return false;
          }
  
          boolean eq = true;
          for (int i = 0; i < li1.size(); i++) {
  
              String s1 = li1.get(i);
              String s2 = li2.get(i);
  
              if(!s1.equals(s2)){
                  eq=false;
                  break;
              }
          }
  
          return eq;
      }
  
  
      public static String toString(List<String> li){
          StringBuilder sb = new StringBuilder();
  
          for (int i = 0; i < li.size(); i++) {
              sb.append(li.get(i));
              if(i<li.size()-1){
                  sb.append(ConstantsDWAR.SEP_VALUE);
              }
          }
  
          return sb.toString();
      }
  
      public static String toStringInteger(List<Integer> li){
          StringBuilder sb = new StringBuilder();
  
          for (int i = 0; i < li.size(); i++) {
              sb.append(li.get(i));
              if(i<li.size()-1){
                  sb.append(ConstantsDWAR.SEP_VALUE);
              }
          }
  
          return sb.toString();
      }
  
  
      public static  List<Integer> createIndexList(int n){
          List<Integer> liIndex = new ArrayList<>(n);
          for (int i = 0; i < n; i++) {
              liIndex.add(i);
          }
          return liIndex;
      }
  
      public static int [] toArrayInt(Collection<Integer> c){
          int [] a = new int[c.size()];
          int b=0;
          for (Integer i : c) {
              a[b++]=i;
          }
          return a;
  
      }
  
  
  }
  