Wipro Project Engineer interview questions

What is the difference between abstract classes and interfaces in Java? When would you use each of them? What is the purpose of the "static" keyword in Java? How does it affect variables, methods, and nested classes? Explain the concept of method overloading and method overriding in Java. Provide examples to illustrate the differences between them. What are the different types of exceptions in Java? How do you handle exceptions using try-catch blocks?