src/main/java/com/googlecode/javaewah/datastructure/ImmutableBitSet.java
public boolean empty() {
    int length = this.data.limit();
    for(int k = 0; k < length; ++k)
          if (this.data.get(k) != 0) return false;
      return true;
  }
public boolean empty() {
    int length = this.data.limit();
    for(int k = 0; k < length; ++k)
          if (this.data.get(k) != 0) return false;
      return true;
  }
Check whether a bitset contains a set bit.

@return true if no set bit is found