Value vs Reference Passing in Java: Concepts, Stack vs Heap, and Code Examples

This article explains the difference between value passing and reference passing in Java, clarifies how primitive and object types are stored in stack and heap, and demonstrates the behavior with concrete code examples showing how modifications affect (or do not affect) the original arguments.

HeapParameter PassingStack

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Value vs Reference Passing in Java: Concepts, Stack vs Heap, and Code Examples

Java Backend Technology

Oct 29, 2018 · Fundamentals

Why Java Uses Value Passing for All Parameters – A Deep Dive into JVM Memory and Reference Behavior

This article explains why Java treats all method arguments as value‑passed, explores the JVM memory model, distinguishes between primitive and reference types, and demonstrates through code examples how parameter passing affects variables and objects in practice.

JVM MemoryParameter PassingValue vs Reference

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Why Java Uses Value Passing for All Parameters – A Deep Dive into JVM Memory and Reference Behavior