RE: another java question--method call not working when it should

  • From: Alex Hall <mehgcap@xxxxxxx>
  • To: programmingblind@xxxxxxxxxxxxx
  • Date: Mon, 31 Mar 2008 23:46:16 -0400

I have checked my braces and it seems that main() was not closed as you said, but I now have more errors than before. I have pasted the contents of a file created by typing 


javac accounting.java 2> err.txt

into the cmd line.
accounting.java:27: non-static method parseFilesStack(java.util.Scanner[]) cannot be referenced from a static context parseFilesStack(files);//takes each line of the file and uses a stack to determine profit/loss ^ accounting.java:39: Stack is abstract; cannot be instantiated Stack stack=new Stack();
^ accounting.java:41: cannot find symbol symbol : constructor File(java.util.Scanner) location: class java.io.File temp=new Scanner(new File(files[i]));//make temp 0-size file of files array to examine it
^ accounting.java:43: incompatible types found : java.lang.String required: java.util.Scanner cline=temp.nextLine();//set cline to current line of file
^ accounting.java:48: operator + cannot be applied to int,void finalDollars+=stack.push(dollars);
^ accounting.java:53: cannot find symbol symbol : variable input location: class accounting amount=input.nextInt();
^ accounting.java:55: pop() in Stack cannot be applied to (int) finalDollars-=stack.pop(dollars);
^ accounting.java:60: cannot return a value from method whose result type is void return 5;
^ Note: accounting.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. 8 errors 

Have a great day,
Alex


----- Original Message -----
From: "Sina Bahram" <sbahram@xxxxxxxxx
To: <programmingblind@xxxxxxxxxxxxx
Date sent: Mon, 31 Mar 2008 23:22:52 -0400
Subject: RE: another java question--method call not working when 
it should


Can I get the exact error message please?



Also, capitolize Exception.
Do also make sure you've ended the previous method correctly ... 
Sometimes a

missing right brace can cause lots of issues.



What version of java is this?



Take care,
Sina



-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex 
Hall

Sent: Monday, March 31, 2008 11:23 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: RE: another java question--method call not working when 
it should


Method signature:
public void parseFilesStack(Scanner[] files) throws exception{



And the call:
parseFilesStack(files);



Have a great day,
Alex



----- Original Message -----
From: "Sina Bahram" <sbahram@xxxxxxxxx
To: <programmingblind@xxxxxxxxxxxxx
Date sent: Mon, 31 Mar 2008 22:55:41 -0400
Subject: RE: another java question--method call not working when

it should



Please paste in here only the signature line of the method.



Take care,
Sina




-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Alex

Hall

Sent: Monday, March 31, 2008 10:37 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: another java question--method call not working when it

should



Hi all.  I have a method with return type void, but when I call

it it says

"invalid method declaration; return type required".
Then, for the same line, it says "<identifier> expected".  Again,

the method

in question is VOID, meaning no return type.  Even when I toss in

a return

statement, returning an int from the method in question, it gives

me the

same errors.  Also, is there an easier way to review the list of

compiler

errors in EdSharp than recompiling and listening to them all over

again?

Thanks.



Have a great day,
Alex
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