java list 比较详解及实例

   <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-collections4</artifactId>
      <version>4.1</version>
    </dependency>
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-lang3</artifactId>
      <version>3.5</version>
    </dependency>
  public static <T> boolean isEqualCollection(Collection<T> l1, Collection<T> l2, final String... exludedFields) {
    Equator<T> equator = generateEquator(exludedFields);
    return CollectionUtils.isEqualCollection(l1, l2, equator);
  }

 private static <T> Equator<T> generateEquator(final String... exludedFields) {
    Equator<T> equator = new Equator<T>() {
      @Override
      public boolean equate(T o1, T o2) {
        if (o1 == null && o2 == null) {
          return true;
        }
        if (o1 == null || o2 == null) {
          return false;
        }
        if (o1.getClass() != o2.getClass()) {
          return false;
        }
        return EqualsBuilder.reflectionEquals(o1, o2, exludedFields);
      }

      @Override
      public int hash(T o) {
        return HashCodeBuilder.reflectionHashCode(o, exludedFields);
      }
    };
    return equator;
  }