Hackforge Academy

Category: React • Beginner

Published on 22 Feb 2026

Explanation

#white-Garbage Collection is the automatic memory #white-management process that removes unused objects.

Code Example

String str = new String("Hello");
str = null; // Eligible for GC

Explanation

#white-System.gc() is used to request JVM to #white-perform garbage collection.

Code Example

System.gc();

Explanation

#white-An object becomes eligible for garbage #white-collection when it has no references.

Code Example

Object obj = new Object();
obj = null;

Explanation

#white-finalize() method was used to perform #white-cleanup before GC #white-(deprecated in modern Java).

Code Example

@Override
protected void finalize() throws Throwable {
    System.out.println("Object collected");
}

Explanation

#white-JVM manages heap memory and garbage #white-collection automatically.

Code Example