Account { public long getBalance() { return balance; }  long getBalance(); Set<T> getEntrySet(); Set<PostingRule<T>> getPostingRuleSet(); void addPostingRule(PostingRule<T> postingRule); void addPostingRuleSet(Set<PostingRule<T>> postingRuleSet); String getName(); void setName(String name); String getDescription(); void setDescription(String description); String getUnitOfMeasurement(); void setUnitOfMeasurement(String unitOfMeasurement);  }
@Test public void testInitialBalance() { Account testObject = new Account(); assertThat(testObject.getBalance(), equalTo(0L)); }