Precedence between Global Variables and Local Variables
If a program has both local and global variables, it will be determined that the local variable takes precedence over any global variable. Scope resolution is the reason for this. The computer looks first in the local scope to locate the value of the variable named. If it cannot be found, it will then look globally. To distinguish the variables must be possible (Jackson, 2021). The Shadowing Rule is a Java concept that helps resolve scope in Java. It states that the local variables will overwrite the global variables, giving the local variable a greater degree of precedence (Mills 2015). Both novice and expert programmers should be familiar with this concept as it can result in errors in their code. Scope resolution will ensure that the local variable is always in the lead if there’s a global and local variable of the same name. References Jackson, P., Theoharis, M., & Cornford, C. (2021). Programming Java: A Primer. Palgrave Macmillan. Mills, R. (2015). Java for beginners. John Wiley & Sons.Cont…
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