Learn what variable scope and lifetime are in JavaSE, how they affect your code, and how to use them effectively and safely.

Add a description, image, and links to the variable-scope topic page so that developers can more easily learn about it ...

* Scope of a variable is the part of the program where the variable is accessible. Like C/C++, in Java, all identifiers are lexically (or statically) scoped, i.e.scope of a variable can determined at ...

Scope in JavaScript refers to context (or portion) of the code which determines the accessibility (visibility) of variables. In JavaScript, we have two types of scope, local , and global.

The scope of a variable in Golang determines which part of the program the variable is accessible to. In Go, all identifiers have a lexical scope that is determined at compile time.

Pre-standard C++ had quirky scope behavior similar to your first example - variables declared specifically in a for loop's initializer statement remained in scope through the end of the block.