使用下面的类定义回答下列问题。publicclassTemperature {intcurrentTemp;String warningLight;publicvoidsetCurrentTemp(inttemp) {currentTemp = temp;}publicString getWarningLight(intcurrentTemp) {String tempColour = "";switch(currentTemp) {case10: tempColour = "blue";break;case20: tempColour = "orange";break;case30: tempColour = "red";break;}returntempColour;}}1)为此类命名一个字段属性。2) setCurrentTemp方法的参数类型是什么？3) getWarningLight方法的返回值类型是什么？