测试结果: src/step2/Point.java:14: error: method getDistance() is already defined in class Point void getDistance(){ ^ src/step2/Point.java:15: error: cannot find symbol System.out.println(distance); ^ symbol: variable distance location: class Point 2 errors
重载的distance方法使用错误了!方法名一样,都是无参数,关于返回值,你没有用变量接收!jvm不能识别是用无返回值还是用有返回值的
报错信息呢