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What are the differences between a global variable and macro?
A global variable is a place of data storage which multiple modules of application (sometimes all modules) can access to read and modify the variable's content. A macro is something altogether different. A macro is a set of instructions, typically used to save keystrokes when coding, and to maintain code readability. While macros can reference, declare or use variables (including global variables), macros and variables are quite different and cannot be compared.
Why there are no global variables in java?
Global variables are globally accessible. Java does not support globally accessible variables due to following reasons:The global variables breaks the referential transparencyGlobal variables creates collisions in namespac
Do threads share global variables?
No, threads do not share global variables by default. Each thread has its own copy of global variables, which means changes made to global variables in one thread do not affect the values in other threads.
What is the other name of global variables?
Another name of global variable is "EXTERNAL VARIABLES".
What are global variable?
Variables that are declared globally outside every program are called global variables.
What is a logical use for global variables?
Storing global data.
What are the differences between global variables and local variables in C plus plus?
Global variables can be seen in all blocks of your program, when local variables are visible only within the block where it's declared.
Is global variables are stored in registers?
They is not.
Can global variables be called preprocessors?
No.
What are the disadvantages of variables?
The only disadvantage of a global variable is that you cannot directly encapsulate them. Other than that, there is no real disadvantage of global variables.
What is the syntax of global variable in java?
There's no global variables in Java.
Are C variables initialized to 0 by default?
Only global/static variables are, local variables aren't.
