@Test public void testGetLastName() { assertEquals("Doe", helloWorld.getLastName()); }
public String getLastName() { return lastName; }
HelloWorld { public String getLastName() { return lastName; } }
HelloWorld { public String getLastName() { return lastName; }  }
HelloWorld { public String getLastName() { return lastName; }  String getFirstName(); void setFirstName(String firstName); String getLastName(); void setLastName(String lastName); String showGreeting(); }
HelloWorld { public String getLastName() { return lastName; }  String getFirstName(); void setFirstName(String firstName); String getLastName(); void setLastName(String lastName); String showGreeting();  }