Java Multiple Catch Block
One or more catch blocks may come after a try block. Every catch block must have its exception handler. So, if you need to perform multiple tasks in response to different exceptions, use the...
Tagged: java tutorial
Can we start a Thread twice in Java
“Starting a thread twice” in the context of Java multithreading refers to the attempt to initiate the execution of a single thread more than once using the start() method. Java threads have a lifecycle...
Hierarchical Data Structures in Java
In Java, a hierarchical data structure organises data in a tree-like structure. Each node has one parent node and zero or more child nodes. The parent node is the node higher up in the...
Java final, finally and finalize
Final, Finally, finalise is a separate concept in Java, each with a unique function within the language. Final is a keyword in Java. When applied, it turns a variable into a constant, meaning its...
Exception Handling with Method Overriding in Java
An exception occurs when an unexpected event occurs during the execution of a program at runtime and disrupts the normal flow of programming instructions. Exceptions are used to handle errors at runtime, helping to...
Java Thread Scheduler
A Java component called a thread scheduler decides what threads to run or execute and where to wait. The thread scheduler in Java will select only threads that are in a runnable state. However,...
ConcurrentModificationException in Java
When working with Java collections, you may come across a ConcurrentModificationException. This exception occurs when you try to modify a collection while iterating over it, leading to unexpected behaviour or errors. A ConcurrentModificationException is...
Joining Threads in Java
The join() method of the Thread class enables one thread to wait until another thread has finished running. If t is a Thread object that is presently running, t.join() will ensure that t is...
Encapsulation in Java
In this article, we will explore the concept of encapsulation in the Java programming language. We will first discuss data hiding or abstraction, the need for encapsulation, and its advantages. We will examine various...
Daemon Thread in Java
A daemon is a special kind of thread in the Multithreaded Programming Environment that operates quietly and handles routine tasks that are not intrinsically significant to the program’s core function. Unlike regular threads, daemon threads...