--%>
Assignment Help - homework help

Explain Global variable

Global variable: It is a phenomenon which is more generally regarded as being a trouble in structured programming languages than in object-oriented languages. In structured programming language, like C or Pascal, a global variable is one stated outside the procedures and functions of a program. This is hard to keep track of the usage of this variable as it is readable and writable by the entire program or module in which it is stated. This makes these variables a general source of logical errors. However, instance variables pose a similar trouble within class definitions, as Java's scope rules make them available to all methods stated within a class. This is one of the reasons why we favor to channel access to instance variables via accessor and mutator techniques even in a class.

   Related Questions in Programming Languages

  • Q : Explain Imperative programming

    Imperative programming: The style of programming generally related with languages such as FORTRAN, C, Pascal and so forth. Imperative programming is differentiated from functional programming in that the previous is strongly tied to the idea of variab

    		•
  • Q : Reads a line of text and tests whether

    palindrome.asm -- reads a line of text and tests whether it is a palindrome. ## Register usage: ## $t1 - A. ## $t2 - B. ## $t3 - the character *A. ## $t4 - the character *B. ## $v0 - syscall parameter / return values. ## $a0 - s

    		•
  • Q : Explain Decrement operator Decrement

    Decrement operator: It is an operator (--) which adds one to its operand. This has two forms: pre-decrement (--x) and post-decrement (x--). In its pre-decrement form, the outcome of the expression is the value of its argument subsequent to the decreme

    		•
  • Q : Explain the relationship between XHTML

    Explain the relationship between XHTML and XML?

    		•
  • Q : What is Search path Search path : It is

    Search path: It is a list of folders (that is, directories) to be searched - for a program or class, for example.

    		•
  • Q : Describe tri-state devices Describe the

    Describe the tri-state devices and explain why they are necessary in a bus oriented system?

    		•
  • Q : What is Concurrency Concurrency : This

    Concurrency: This is a feature of parallel programming. The parts of a program whose executions overlap in time are stated to execute concurrently. Java's thread characteristic support concurrency.

    		•
  • Q : State the term multi threading State

    State the term multi threading.

    		•
  • Q : Benefit from JavaIDL Why did Java

    Why did Java benefit from the development of JavaIDL?

    		•
  • Q : Environment Modeling in Java Pathfinder

    Environment Modeling: In JPF, Java class files can be processed in two different ways: A) As ordinary Java classes managed and executed by the host JVM (e.g., standard Java library classes, JPF implementation class

    		•