Does Java have global variables?

This might seem like a weird question, but here it goes. I'm making my first Java game right now (or, I have been for awhile). In smaller, simpler programs, keeping track of variables was easy, because it was usually only one or two classes, and a handful...

I'm supposed to get user input of Integers so I don't want it them to be static but it keeps complaining that I have a static reference. C programs don't do this. I get the same Java Error in at line 21: cannot make static reference to non-static Integer...

I've heard contradicting views whether there can be any performance gained by making local variables final in Java. Or by creating a final local variable that references a member variable. Can anyone provide a clear answer to this? (assuming Java 6/...

Lets say I have two java files: class Hello and class GoodBye Class Hello only contains one int variable and its value. int number = 5; Class GoodBye contains two int variables and their values. int number; int secondnumber; Suppose secondnumber has...

I'm writing a translator that translates code from a programming language my professor made up to java code. I hit a snag at one point, and made a class to test my problem out. My code looks like this, and my intention is to create an int variable out...

I know arrays and objects are pass-by-reference. but i'm really referring to primitive data types. I've noticed that when it comes to data structure and memory management, the vast majority switches out to C++. Will Java ever support pointers, you think...

Please answer my question in detail..

here is a sample of my source code my teacher wants us to have a a bunch of static/non static methods called and through a menu method but i keep getting the error that non static variables adn methods can not be referenced from a static content is there...

I really need help and no one is answering my questions. I created a variable for each node, but we are supposed to reuse two variables to create the whole tree. How do you do this? //Ilana Mannine //Tree implementation public class Part1 { private static...