Solution:Step 1: Identify object referencesThe String object "hello" is referenced by s2 after s1 is set to null.Step 2: Determine eligibility for garbage collectionSince s2 still references the object, it is not eligible for garbage collection.Final Answer:No object is eligible -> Option AQuick Che

[Solved] Given this code:String s1 = new String("hello"); String s2 = s1; s1 = null; System.gc(); Which object is eligible for garbage collection? | Java

Java - Memory Management Basics

Given this code:

String s1 = new String("hello");
String s2 = s1;
s1 = null;
System.gc();

Which object is eligible for garbage collection?

ANo object is eligible

BThe String object "hello"

CThe reference s2

DThe reference s1

Step-by-Step Solution

Solution:

Step 1: Identify object references
The String object "hello" is referenced by s2 after s1 is set to null.
Step 2: Determine eligibility for garbage collection
Since s2 still references the object, it is not eligible for garbage collection.
Final Answer:
No object is eligible -> Option A
Quick Check:
Object with active references is not collected [OK]

Quick Trick: Objects with any reference are not collected [OK]

Common Mistakes:

Assuming object is collected when one reference is null
Confusing references with objects

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More Java Quizzes

Given this code:

Step 1: Identify object references

Step 2: Determine eligibility for garbage collection

Final Answer:

Quick Check:

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