### Question:
Animal { public Animal className(String className) { this.className = className; return this; }  Animal className(String className); @ApiModelProperty(required = true, value = "") @JsonProperty(JSON_PROPERTY_CLASS_NAME) @JsonInclude(value = JsonInclude.Include.ALWAYS) String getClassName(); void setClassName(String className); Animal color(String color); @javax.annotation.Nullable @ApiModelProperty(value = "") @JsonProperty(JSON_PROPERTY_COLOR) @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS) String getColor(); void setColor(String color); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString(); static final String JSON_PROPERTY_CLASS_NAME; static final String JSON_PROPERTY_COLOR; }### Answer:
@Test public void classNameTest() { }