A circular LinkedList in Java is a type of LinkedList that connects each node in such a way that the last node links with the first node.
To use the Scanner class in Java, import the scanner class, create an object of the class, and take user input using any function of the Scanner class.
A string is padded with zeros or spaces by using methods like leftPad or padStart using classes from external libraries like Apache Commons or Guava library
To calculate the distance between two points in Java, use the “Math.sqrt((a2-a1)*(a2-a1) + (b2-b1)*(b2-b1));” equation/formula.
In Java, the getActiveCount() method is responsible for providing the number of tasks that are currently/actively running.
The shutdown() method is responsible for initiating the termination of the tasks that were previously submitted for execution
The getCompletedCount() method of Java’s ThreadPoolExecutor class is used to keep track of the completed tasks within thread pools.
The mouse listener in Java responds to certain events when a user performs specific tasks through the mouse, such as clicking, entering, pressing, etc.