java core

In Java, you can determine the state of a thread by using its Thread.State enumeration. The Thread.State enum represents the various states a thread can be in during its lifetime. Thread.State enum syntax in java.lang package Here are the different thread states: NEW: The thread has been created but has not yet started executing. It […]

Suspending and Resuming  is used to temporarily suspend the execution of the thread. When called, the thread will be suspended and will not continue executing until it is resumed. In Java, the suspend() and resume() methods were deprecated in Java 2 and have been discouraged for use due to potential thread safety issues and risks

The join() method in Java is used to wait for a thread to complete its execution before continuing with the execution of the current thread. It allows for synchronization and coordination between multiple threads in a program. join() overloadable methods syntax from java.lang.Thread  class. This version of join() waits for the thread it is called

In Java, thread grouping refers to organizing threads into logical groups for management and control. Java provides the ThreadGroup class, which represents a group of threads. ThreadGroup offers several features for managing and manipulating threads collectively. Creating a ThreadGroup: To create a new ThreadGroup, you can instantiate the ThreadGroup class using its constructor. You can

In Java, thread priorities are used to indicate the importance or urgency of a thread relative to other threads in the same process. Thread priority is an integer value ranging from 1 to 10, where 1 is the lowest priority and 10 is the highest priority. Threads with higher priorities are more likely to be

Creating a thread by extending the Thread class in Java involves defining a subclass of Thread and overriding its run() method to specify the task the thread will perform. The thread is then instantiated and started using the start() method, which invokes run() in a separate thread. Below is a detailed explanation followed by an

The Runnable interface in Java is a functional interface used to represent a task that can be executed concurrently, typically in a separate thread. It is part of the java.lang package and is central to Java’s concurrency framework. Usage Implementing Runnable: You can create a class that implements Runnable and override the run() method.  

Creating multiple threads by extending the Thread class in Java involves defining a subclass of Thread, overriding its run() method, and creating multiple instances of that subclass to run concurrently. Each thread executes its own task independently, allowing parallel execution of tasks. Below is an explanation followed by an example program that demonstrates creating and

In Java, managing threads manually (by creating a Thread object for each task) can quickly become messy and inefficient when applications grow.To solve this, Java introduced the Executor Framework in the java.util.concurrent package — a powerful way to manage and control thread execution more efficiently and cleanly. Instead of manually starting threads, Executor Framework provides