Why would anyone want to use an undefined variable? What is its purpose in a Java project?
There are a number of reasons to declare variables uninitialized. Here is a very simple pseudocode example of one
int a = 5; int b = 10; int temp; temp = a; a = b; b = temp;
We used the uninitialized variable temp as a placeholder to swap a and b’s values
temp never really needed a definition
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