How do you use escape analysis with a simple code example?

Escape analysis is a technique used by Java Virtual Machine (JVM) to determine the dynamic scope of object references. It helps the JVM decide whether it can allocate an object on the stack instead of the heap, improving performance by reducing garbage collection overhead.

Here’s a simple example to illustrate escape analysis:


        public class EscapeAnalysisExample {
            public static void main(String[] args) {
                // This method creates an object that does not escape
                createObject();
            }
            
            public static void createObject() {
                // The Object created here is a local variable 
                // and does not escape the method
                ExampleObject obj = new ExampleObject();
                // do something with obj
            }
        }

        class ExampleObject {
            // some fields and methods
        }

How do you use escape analysis with a simple code example?

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How do you use escape analysis with a simple code example?

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