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Synchronized Blocks vs Synchronized Methods in Java: When to Use and interview question

Sanjay Singh
4 min readDec 28, 2024

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Synchronization in Java is a mechanism to control access to shared resources by multiple threads. It ensures that only one thread can access the resource at a time, preventing race conditions and data inconsistency issues.

Synchronized Blocks vs Synchronized Methods in Java: When to Use and interview question

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When to Use Synchronized Blocks vs Synchronized Methods

Synchronized Methods:

  • Use Case: When the entire method needs to be synchronized.
  • Scenario: If every statement in the method works on shared data, synchronizing the entire method ensures thread safety.
  • Example:
public class Counter {
private int count = 0;

public synchronized void increment() {
count++;
}

public…

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Sanjay Singh
Sanjay Singh

Written by Sanjay Singh

Java, Spring Boot & Microservices developer Sharing knowledge, tutorials & coding tips on my Medium page. Follow me for insights & see story list section

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