three thread states—new, runnable and terminated A program can access the state of the thread using Thread.State enumeration. The Thread class has the getState() instance method, which returns the current state of the thread. BasicThreadStates.java package com.appfworks.threads;/** * Created by suresh on 03/11/15. */class BasicThreadStates extends Thread { public static void main(String []s) throws Exception… Read More The States of a Thread in Java

Running multiple threads in parallel at the same time is called multi-threading or concurrency. The Object and Thread classes and the Runnable interface provide the necessary support for concurrency in Java. The Object class has methods like wait(), notify()/notifyAll(), etc., which are useful for multi-threading. all the objects have some basic multi-threading capabilities Important Threading-Related… Read More Concurrent Programming in Java

There are two options: you can extend either the Exception or RuntimeException class depending on your need.  If you want to force the users of your custom exception to handle the exception, then you can extend your exception class from the Exception class, which will make your custom exception a checked exception.  If you want… Read More Custom Exceptions in Java