Write a program to implement Singly circular linked list.

Write a program to implement Singly linked list.

WAP to simulate a Digital clock using Thread.

Write an application that executes three threads from one thread class. One thread displays “JAVA” every one second, second thread displays “RDBMS” every two seconds and third thread displays “VB.NET” every three seconds. Create the thread by using Runnable interface.

WAP to throw a user defined exception when a user enters floating point number.

WAP to accept 5 command line arguments and then raise custom exception if any argument is not from the list ("BCA”,”MCA”,”BBA”,”MBA”,”OTHER”).

Create a user defined exception to check whether your employee exist in an array or not, throw exception if name is not in the employees list. Use the catch and finally block to display an appropriate message.

WAP to input string through command line and check each command line inputs and display only those strings which are in uppercase until any lower case string found.

WAP to accept a string and rewrite it in alphabetical order. e.g. COMPUTER --- > CEMOPRTU

WAP to find all rotations of a given string. e.g. Java --→ Java, avaJ,vaJa,aJav

WAP to accept multiple strings and arrange them in ascending order

WAP to accept a string and count total number of uppercase and lowercase characters in a string.

Create a superclass, Student, and subclass, Grade. The superclass Student should have data members: name, ID, age, address.The superclass, Student should have at least one method: findGrade(double percent) . The purpose of the findGrade method is to take one parameter,percent (value between 0 and 100) and find grade.In the Student class this method should be empty as an abstract method. The Grade will inherit all data members of the Student class and override the method findGrade. Create a test class for above two classes. In the test class, create Grad object. For an object, provide percent and find grade and display the results of the findGrade method.

Write a Java program to create an interface Shape with the calculateArea() method. Create three classes Rectangle, Circle, and Triangle that implement the Shape interface. Override the calculateArea() method in each subclass to calculate and return the shape's area.

Write a Java program that takes a number from the user, reverses it and checks whether it is palindrome or not.