This page contains all post related to Java Core Programming

Annotation

• What is java annotation? How it works?Let’s make custom annotation

Unit Testing :

• Compare study : JUnit3 Vs JUnit 4Vs TestNG

Java Reflection

1. What if Reflection? How it works in Java? ->Why we use it and Why we not. ->small performance benchmarks
2. How to get Class Information with Java Reflection? Interfaces and Super Class
3. How to get Class Info in Java Reflection? Packages and Class Modifier.
4. How to get Class Info in Java Reflection? Class Name and Signer Names
5. How to get all Constructor information under a Class in Java Reflection?
6. How to get all Field info in a Class in Java Reflection?
7. How to get all Method information under a Class in Java Reflection?

Java Thread & Synchronization

1. Java Thread & Synchronization : How to use thread?
2. Java Thread & Synchronization : Basic introduction.

JVM Basics :

• A quick overview on JVM Architecture
• How Java gets the classes?

Java(JDK) Command Tools

• Introduction to Java Command Tools
• java/javaw-The Java Application Launcher
• jar-The Java Archiving Tool
• javac - The Java compiler
• idlj, IDL-to-Java Compiler
• javaws - Java Web Start launcher
• jdb - The Java Debugger
• jrunscript-command line script shell
• jhat - Java Heap Analysis Tool
• jstack-Java Stack Trace
• jmap - Java Memory Map Printer
• jconsole - Java Monitoring and Management Console
• jps - JVM Process Status Tool
• jstat - Tool for JVM Statistics Monitoring –Virtual Machine Identifier(VMI) – Host Identifier(hostId)
• jstatd -JVM Remote Monitoring(jstat daemon)
• keytool - Managing Key and Certificate in Java –How import works for new Trusted Certificate? –How import works for Certificate Reply?
• apt-Annotation Processing Tool in Java

Oracle JDK Only

Graal VM only

Open JDK Plugins