@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    return specificationVersion == ((JavaVersion) o).specificationVersion;
  }
@return this Java version's specification version
geode-junit/src/main/java/org/apache/geode/test/version/JavaVersion.java