Q1. Write down a program in Java which explains the use of polymorphism. Write down the appropriate classes and main method for the same.
Q2. Write down a java program which draws a rectangle whose size rises every 1,000 ms.
Q3. Describe the merits and demerits of Java applets. Make an applet that receives two numerical values as input from the user and then displays the sum of these numbers on screen. Write down the HTML code which calls the applet.
Q4. Make an inheritance diagram of AWT event classes. What do you meant by Semantic and Low-level events in the AWT? List different semantic and low-level event classes in the java.awt.event package?
Q5. Write detail notes on any four of the given. Also write down small java code wherever essential:
a) Java Beans
b) Grid layout manager
c) Static members
d) Strings in Java
e) Use of sound and video in Java