Java Programming (IT-504 (C)) - Important Questions

What is a Constructor in Java? Explain its types with a suitable example/program, e.g., finding the area of a circle using a constructor.

Explain the difference between method overloading and method overriding with suitable examples.

Justify why Java is an object-oriented language with suitable reasons and examples.

Explain Java garbage collection mechanism with suitable example.

Explain Dynamic Method Dispatch in Java with example program.

Define abstract class and explain all cases for implementing an abstract class with examples.

Explain the life cycle of an Applet with suitable example.

What is Abstract Window Toolkit (AWT)? Explain its facilities, containers and components in detail.

Write a Java Swing program to find the sum of two numbers.

Explain exception handling in Java with try, catch, finally and throw blocks using a suitable example program.

Explain Thread class and Runnable interface and write a Java program to demonstrate multithreading.

What is multithreading in Java? Explain inter-thread communication with the help of suitable example.

Explain thread synchronization with an example program.

What are the basic steps for using JDBC to access database? Explain briefly with syntax.

Write a program to copy content of one file to another using character stream class.

Write a Java program to illustrate communication between client and server.