为什么会显示The value of the local variable phone2 is not used？
为什么会显示The value of the local variable phone2 is not used？ 而且在Telphone.java中,private 的三个变量也是显示The value of the field Telphone.screen is not used
3 回答
package com.imooc;
import com.imooc.Telphone;
public class InitalTelphone {
public static void main(String[] args) {
Telphone phone = new Telphone(5.0f,2.0f,16.0f);
}
}
package com.imooc;
public class Telphone {
private float screen;
private float cpu;
private float mem;
......
}
我的代码是这样的，对象名phone，和三个变量名 都提示 The value of the field Telphone.screen is not used;...
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