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Stack Memory vs Heap Memory in Java
Java uses a few types of memory during execution. Such as stack memory, heap memory, the Method Area (PermGen/Metaspace), Native Method Stack, PC Register, and Registers. Each of them serves a distinct purpose in the execution of a Java program. Moreover, all of these are vital to creating and running Java programs, but they serve different purposes.
This article will provide a short overview of stack and heap memory in Java. Over and above that, we will explore key differences and examples of how Java uses stack and heap memory. And Our main focus will be their differences.
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What is Memory?
Memory in computing is where we store data. In Java, memory management is an automated process, crucial for efficient program execution.
The Stack Memory
The stack is a section of memory that stores temporary variables created by each function or method. The stack works by holding data in a LIFO (last in, first out) order, meaning the most recently added data pops first.
It is a dedicated space for each thread, managing method calls and local variables. The stack memory is relatively small compared to the heap. It is a data…










