### Question:
RouteRequestRoundTripOptions { public void setLength(Float length) { this.length = length; hasLength = true; }  Float getLength(); void setLength(Float length); Integer getPoints(); void setPoints(Integer points); Long getSeed(); void setSeed(Long seed); boolean hasLength(); boolean hasPoints(); boolean hasSeed(); static final String PARAM_LENGTH; static final String PARAM_POINTS; static final String PARAM_SEED; }### Answer:
@Test public void testSetLength() { Assert.assertFalse(options.hasLength()); options.setLength(123.4f); Assert.assertTrue(options.hasLength()); Assert.assertEquals((Float)123.4f, options.getLength()); }