### Question:
JavaScriptEngineFactory implements ScriptEngineFactory { @Override public String getLanguageName() { return "Java"; }  @Override String getEngineName(); @Override String getEngineVersion(); @Override List<String> getExtensions(); @Override List<String> getMimeTypes(); @Override List<String> getNames(); @Override String getLanguageName(); @Override String getLanguageVersion(); @Override Object getParameter(String key); @Override String getMethodCallSyntax(String obj, String method, String... args); @Override String getOutputStatement(String toDisplay); @Override String getProgram(String... statements); @Override ScriptEngine getScriptEngine();  }### Answer:
@Test public void testGetLanguageName() { JavaScriptEngineFactory factory = new JavaScriptEngineFactory(); assertThat(factory.getLanguageName()).isEqualTo("Java"); }