What is magic number CAFEBABE in java class file?
Java Compiler compiles a java source code into bytecode and stores it into .class file which will then get executed by JVM. Everybody knows about it. But do you know each class file in Java starts with magic number CAFEBABE? compelling, isn't it? 😀 After reading this article, you will be able to answer below questions: […]
Find from where java class is loaded | Class Loader SubSystem
In previous article, we discussed about 3 activites of Class Loader SubSystem i.e. Loading, Linking, Initialization and its Types of Class Loader i.e. Bootstrap Class Loader or primordial Class Loader, Extension Class Loader, Application Class Loader or System Class Loader. We have also seen how these Class loader uses Delegation hierarchy algorithm to load Classes into memory area. In this article we'll discuss more about Class Loader and how […]
Morgan Stanley Interview Questions – Set 6
I have appeared for Sr Java Developer position at Synechron Technologies. I cleared three F2F interview rounds of Synechron. I had also cleared two telephonic rounds with Synechron's client Morgan Stanley. After that I was invited for last two F2F rounds with Morgan Stanley at Bangalore. Overall experience was very good. Synechron has provided TO and FRO flight […]
Morgan Stanley Interview Questions – Set 3
I have appeared for Java Developer requirement at Wissen Infotech, Bangalore Location. Requirement was for their client Morgan Stanley and it was my first telephonic interview round with Morgan Stanley. Duration : 1 hour. I have also shared my interview experience with Wissen Infotech as well as my second interview round with Morgan Stanley.. Introduction and Project discussion […]
Morgan Stanley Interview Questions – Set 1
Recently I have appeared for Java developer interview at the Morgan Stanley, Mumbai. It was a Video conference interview. Here are the set of questions asked to me : Tell me about your current project and your roles and responsibility. Write a java function to reverse a string using recursion Write a java program […]
Types of Class Loader | Delegation Algorithm | JVM Internals
In previous articles, we learned about JVM architecture and one of its component Class Loader SubSystem. In this article, we will discuss about Types of Class Loaders and How Class Loader uses Parent delegation Algorithm to load the class. If you have not gone through previous article on JVM Internals, I would encourage you to read that first. […]
Class Loader SubSystem | JVM Internals
In our previous article of JVM internals series, we learned about what is JVM, basic architecture of JVM and briefly understood its components. In this article we will discuss in detail about Class Loader SubSystem component of JVM architecture . Class Loader SubSystem Java’s dynamic class loading functionality is handled by the Class Loader SubSystem. […]
JVM Architecture Introduction | JVM Internals
Being a java developer, it is expected from us to have basic knowledge of JVM architecture, as it enables us to write code more efficiently. Also from the interview perspective JVM architecture, Class loader subsystem, JVM memory management are frequently discussed topics with 3-5 year experienced java developer. If you are able to answer these questions, you will create good impression […]
