package integrationTests.loops;
   
   import java.util.Collection;
   import java.util.Iterator;
   import java.util.List;
   
   public class ForStatements {
       void forInSeparateLines() {
           for (int i = 0; i < 2; i++) {
              System.gc();
          }
      }
  
      void forInSingleLine(int i) {
          // @formatter:off
          for (; i < 2; i++) { System.gc(); }
          // @formatter:on
      }
  
      int forEachArrayElement(int... values) {
          int sum = 0;
  
          for (int value : values) {
              sum += value;
          }
  
          return sum;
      }
  
      String forEachCollectionElement(List<String> values) {
          StringBuilder result = new StringBuilder();
  
          for (String value : values) {
              result.append(value);
          }
  
          return result.toString();
      }
  
      void forUsingIterator(Collection<? extends Number> values) {
          for (Iterator<? extends Number> itr = values.iterator(); itr.hasNext();) {
              Number value = itr.next();
  
              if (value.intValue() == 0) {
                  itr.remove();
              }
          }
      }
  
      int forWithBreakAndContinue(int i) {
          for (; i < 2; i++) {
              if (i == 1) {
                  i = 3;
                  continue;
              }
  
              if (i < 0) {
                  break;
              }
          }
  
          return i;
      }
  
      void nestedFor(List<Integer> list) {
          for (Integer i : list) {
              for (int j = 0; j < i; j++) {
                  i++;
              }
          }
      }
  
      boolean forWithNestedIfWhichReturns(int valueToSearch, int... values) {
          for (int value : values) {
              if (value == valueToSearch) {
                  return true;
              }
          }
  
          return false;
      }
  }