8---12行出現(xiàn)紅色提示錯(cuò)誤，新手學(xué)習(xí)求解答，謝謝~
package com.imooc;
public class Telephone {
public static void main(String[] args) {
// TODO Auto-generated method stub
Telephone phone = new Telephone();
phone.sendMessage();
phone.screen = 5.0f;
phone.cpu = 1.4f;
phone.mem = 2.0f;
phone.sendMessage();
}
}
2018-01-09
未定義成員變量
package com.imooc;
public class Telephone {
float?screen ；
float?cpu?；
float?mem?；
public void?sendMessage(){
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Telephone phone = new Telephone();
phone.sendMessage();
phone.screen = 5.0f;
phone.cpu = 1.4f;
phone.mem = 2.0f;
phone.sendMessage();
}
}
2018-01-09
沒(méi)有定義屬性吧，你就直接調(diào)方法，給賦值