Navigating Common Errors and Exceptions in Java: A Guide for Developers

As a developer, encountering errors and exceptions is an inevitable part of the programming process. Whether you are just starting out with Java or are a seasoned pro, it is important to understand how to identify and troubleshoot common errors and exceptions in order to effectively debug and fix your code. In this blog post, […]

javac not recognized as an internal or external command

'javac' is not recognized as an internal or external command, operable program or batch file This error signifies that the PATH variable isn’t set properly.   How to fix javac not recognized error Find the correct path where you installed the JDK. it looks like this: C:\Program Files\Java\jdkxxxx\bin\ Start-menu search for “environment variable” to open […]

Difference between Thread DeadLock and LiveLock in Java

This article explains the difference between Thread DeadLock and LiveLock with examples. DeadLock DeadLock occurs when two threads are blocked for each other and each one is waiting for the other to release it’s lock. For example, Let’s consider that we have two resources A and B and two threads Thread1 and Thread2. Now, Thread1 […]

Difference between Runnable and Callable in Java

In this article, we will see difference between Runnable and Callable in Java.   Runnable and Callable both are interfaces in Java that support multithreaded programming. Both are implemented by classes that want to execute some code in a thread different than the main thread. The Runnable interface has been around since around Java 1.0 […]

Convert String to Date and Date to String in Java

In this article, we will see programs to Convert String to Date and Date to String in Java using SimpleDateFormat class.   Convert String to Date in Java We can convert or parse a String to java.util.Date using SimpleDateFormat. For example, if we want to convert a String in MM/dd/yyyy format to Date, we can […]