1. What is a layout manager ? A layout manager is the used to organize the components in a container. 2. What is the difference between a Choice and a List ? A Choice is displayed in a compact form that must be pulled down, in order for a user to be able to see

1. What is an Applet ? A java applet is program that can be included in a HTML page and be executed in a java enabled client browser. Applets are used for creating dynamic and interactive web applications. 2. Explain the life cycle of an Applet. An applet may undergo the following states: Init: An

1. What are the two types of Exceptions in Java ? Which are the differences between them ? Java has two types of exceptions: checked exceptions and unchecked exceptions. Unchecked exceptions do not need to be declared in a method or a constructor’s throws clause, if they can be thrown by the execution of the

1. What is the purpose of garbage collection in Java, and when is it used ? The purpose of garbage collection is to identify and discard those objects that are no longer needed by the application, in order for the resources to be reclaimed and reused. 2. What does System.gc() and Runtime.gc() methods do ?

1. What is JVM ? Why is Java called the Platform Independent Programming Language? A Java virtual machine (JVM) is a process virtual machine that can execute Java bytecode. Each Java source file is compiled into a bytecode file, which is executed by the JVM. Java was designed to allow application programs to be built

Main root <html> … </html> The HTML <html> element represents the root (top-level element) of an HTML document, so it is also referred to as the root element. All other elements must be descendants of this element. Example: <!DOCTYPE html> <html lang=”en”> <head>…</head> <body>…</body> </html>  Document metadata <head> … </head> The HTML <head> element contains

1. What is SQL? SQL stands for Structured Query Language. It is a programming language used for managing and manipulating relational database. 2. What is database? A database is an organized collection of data stored and accessed electronically. It provides a way to store, organize, and retrieve large amounts of data efficiently. 3. What is

Which one of the following is the difference of the sum of cubes of first ten natural numbers and the sum of squares of first ten natural numbers? Answer: 2640   A person buys an item from a shop for which the shopkeeper offers a discount of 10% on the marked price. The person pays