What Happens Internally When You Call String intern in Java

1. Introduction The intern method in Java is used to manage memory efficiently by storing string objects in a special memory area called the String Pool. Understanding how String.intern() works internally is important for writing optimized Java applications. 2. What is String Pool The String Pool is a special memory area in the heap where unique string literals are stored. It helps in saving memory by reusing existing string objects instead of creating new ones.