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//A Phone class made for calling using credits and connected with Gadget superclass.

public class Phone extends Gadget
{
private int credits;

//Constructor for Phone class extending...

Well it does compile like this. But i'm trying to connect the method to a button from a GUI. (Make A Call)
https://i.imgur.com/seDub7V.png
And compiling without them makes the button useless.. I'm...

Hello, i need help with my code.
I'm trying to compile a method for making phone calls but i get an error that i'm not sure why. (BlueJ)
https://i.imgur.com/0x3XOD3.png

Here is the code...

Ok so i manage to compile everything.
My current code is:


public class Phone extends Gadget
{
private int credits;

public Phone(String themodel, double theprice, int theweight,...

I have't added anything extra. This is my entire code for the Phone class


public class Phone extends Gadget
{
private int credits;

public Phone(String themodel, double theprice,...

Oh ok, so i've added the arguments to the super call and the error disappeared. Now i have another error for the 2nd part "credits = theCredits;" saying:
cannot find symbol - variable theCredits

...

The error message i'm getting now is:
constructor Gadget in class Gadget cannot be applied to given types;
required: java.lang.String,double,int,java.lang.String
found: no arguments
reason:...

Ok so i removed the return and changed the constructor to Phone instead of Gadget but it still doesn't compile :(


public class Phone extends Gadget
{
private int credits;
private int...

Well i think that i already have a constructor and a method but it still doesn't want to Compile..


public class Phone extends Gadget
{
private int credits;
private int balance;

...

I'm sorry but i can't understand. Can you please give me an example? Am i supposed to add something before the super call?
I probably look stupid right now but i really need to understand what my...

The error code is "call to super must be first statement in constructor". But i believe that it's already the first statement..
There is also another message:
constructor Gadget in class Gadget...

Hello,

I'm working on my coursework and the task is to create inheritance using "super"
3473
This is the structure.



public class Gadget
{