### Question:
Topic implements Serializable { public String getInfo() { return _info; } private  Topic(String key, String title, String outcome, String info, String imageEnabled, String imageDisabled, boolean isEnabled); String getKey(); String getTitle(); String getOutcome(); String getInfo(); String getImageEnabled(); String getImageDisabled(); String getImage(); boolean isIsEnabled(); void setIsEnabled(boolean isEnabled); @Override int hashCode(); @Override boolean equals(Object obj);  }### Answer:
@Test public void testBuildInfo() { Topic topic = Topic.TopicBuilder.createBuilder("xxx").setInfo("info").build(); assertEquals("info", topic.getInfo()); }