This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves? I have … Read more
A local variable is defined within the scope of a block. It cannot be used outside of that block. Example: if(x > 10) { String local = “Local value”; } I cannot use local outside of that if block. An instance field, or field, is a variable that’s bound to the object itself. I can use it in the object without the need … Read more
How can I create or use a global variable in a function? If I create a global variable in one function, how can I use that global variable in another function? Do I need to store the global variable in a local variable of the function which needs its access? 2 23
If you look at the scope of the variable ‘hoursWorked’ you will see that it is a member of the class (declared as private int) The two variables you are having trouble with are passed as parameters to the constructor. The error message is because ‘hours’ is out of scope in the setter.
Error: ‘else’ without ‘if’
