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I really need someones help with the following 2 ques, 1) the line numbers were variable scope is visible and 2) name the actual and formal parameters in the program below.

1 public class Scope {...

Thats why I'm asking cause I don't know where the variables are???

The variables used in a program are always declared. The location you declare a variable controls its “visibility” and role in a program. The area where a variable is declared and can be accessed is...

for scope i think lines 4 and 12 and I'm not sure about parameters??

In the following program I need to know 1) the line numbers were variable scope is visible and 2) name the actual and formal parameters in the program.

1 public class Scope {
2 public static...

Cheers,
Would you have any idea how it would look??

I really need a hand, I have to write the java for the following; the user enters a number and the integers of that number are added, for example I enter "234" and the programs produces "2+3+4=9"
...