// 摄氏转华氏 public class CToF extends TemperatureConver { private float fTemperature; public CToF() { } public float conver(float cTemperature) { fTemperature = cTemperature * 9 / 5 + 32; return fTemperature; } }
// 父类 public abstract class TemperatureConver { public TemperatureConver() { } public abstract float conver(float temperature); }