OpenID Connect vs OAuth 2?

Is Kafka a database?

REST vs event-driven architecture?

What is a JEP in Java?

Should I upgrade to Java 17?

How much do software engineers make?

How do you list indexes in MongoDb?

How does a unique index work in MongoDb?

How do you create an index in MongoDB?

How do compound indexes work in MongoDB?

FileReader vs BufferedReader vs Scanner including key differences and comparisons.  Understand bye streams, character streams, and buffered streams in Java

FileReader vs BufferedReader vs Scanner | Java

Error: the update operation document must contain atomic operators?

The garbage collection mechanism works like this:

When the JVM starts, the underlying OS allocates a specified amount of memory to the JVM heap space.

The heap space is where objects are created, class and method information are stored, etc.

When you create an object, the stack usually manages a reference to this object and the actual object is stored in memory.

While the stack follows a relatively simple FIFO algorithm for cleaning up memory after method/thread execution, the heap is much larger and more permanent.  For these reasons, the heap requires a more sophisticated approach to cleaning up memory.

Enter Garbage Collection. GC divides the heap space into areas based on object lifespan (young vs old generation). GC leverages several algorithms to efficiently "mark" and free up unused memory blocks.

There are different implementations of the GC. Not only do different JVM's implement it differently, different collectors can be specified as part of JVM argument list.

While some GC work concurrently with the application execution, others work in separate threads.  Stop the world (STW) events are common with GC.  The application must pause while garbage is collected. 

Explain the garbage collection mechanism in Java

theRealJS

OpenID Connect vs OAuth 2?

Is Kafka a database?

REST vs event-driven architecture?

What is a JEP in Java?

What is a JEP in Java?

Should I upgrade to Java 17?

How much do software engineers make?

How do you list indexes in MongoDb?

How does a unique index work in MongoDb?

How do you create an index in MongoDB?

How do compound indexes work in MongoDB?

FileReader vs BufferedReader vs Scanner | Java

Error: the update operation document must contain atomic operators?

Explain the garbage collection mechanism in Java?

Is NodeJs really single threaded?

theRealJS

OpenID Connect vs OAuth 2?

Is Kafka a database?

REST vs event-driven architecture?

What is a JEP in Java?

What is a JEP in Java?

Should I upgrade to Java 17?

How much do software engineers make?

How do you list indexes in MongoDb?

How does a unique index work in MongoDb?

How do you create an index in MongoDB?

How do compound indexes work in MongoDB?

FileReader vs BufferedReader vs Scanner | Java

Error: the update operation document must contain atomic operators?

Explain the garbage collection mechanism in Java?

Is NodeJs really single threaded?

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