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Archives for May 2013

100+ Core Java Interview Questions

Last Updated: September 11, 2022 by Chaitanya Singh | Filed Under: java

Hi Friends, In this article, we have shared 100+ java interview questions for both beginners and experienced folks. If you are a java beginner, I… [Read More]

Tags: Interview-Preparation

Constructor Overloading in Java with examples

Last Updated: September 11, 2022 by Chaitanya Singh | Filed Under: java

Like methods, constructors can also be overloaded. In this guide we will see Constructor overloading with the help of examples. Before we proceed further let’s… [Read More]

Tags: Java-OOPs

Method Overloading in Java with examples

Last Updated: September 26, 2022 by Chaitanya Singh | Filed Under: java

Method Overloading is a feature that allows a class to have multiple methods with the same name but with different number, sequence or type of… [Read More]

Tags: Java-OOPs

JSP Scriptlet Tag (Scripting elements)

Last Updated: July 26, 2022 by Chaitanya Singh | Filed Under: JSP tutorial

JSP scriptlet tag also known as Scriptlets are nothing but java code enclosed within <% and %> tags. The main purpose of scriptlet tag is… [Read More]

JSP Directives – Page, Include and TagLib

Last Updated: July 27, 2022 by Chaitanya Singh | Filed Under: JSP tutorial

JSP Directives control the processing of an entire JSP page. It gives directions to the server regarding processing of a page. There are three types… [Read More]

Java Server Pages (JSP) Life Cycle

Last Updated: July 26, 2022 by Chaitanya Singh | Filed Under: JSP tutorial

JSP pages are saved with .jsp extension which lets the server know that this is a JSP page and needs to go through JSP life… [Read More]

Introduction to Java Server Pages – JSP Tutorial

Last Updated: July 26, 2022 by Chaitanya Singh | Filed Under: JSP tutorial

JSP is a server side technology that does all the processing at server. It is used for creating dynamic web applications, using java as programming… [Read More]

Servlet API

Last Updated: July 22, 2017 by Chaitanya Singh | Filed Under: Java Servlet tutorial

❮ PreviousNext ❯ You need to use Servlet API to create servlets. There are two packages that you must remember while using API, the javax.servlet… [Read More]

HttpServlet class with example

Last Updated: July 22, 2017 by Chaitanya Singh | Filed Under: Java Servlet tutorial

❮ PreviousNext ❯ In Servlet API, I have discussed little bit about Http Servlet. In this article, I will discuss Http Servlet in detail. Unlike… [Read More]

JUnit (Java Unit Testing) interview questions

Last Updated: September 11, 2022 by Chaitanya Singh | Filed Under: java

This is Part 2 of Q&A. Read first part here – JUnit (Java Unit Testing) interview questions and answers – Part1. Question1: What is Junit? Answer:… [Read More]

Tags: Interview-Preparation

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Java Tutorial

Java Introduction

  • Java Index
  • Java Introduction
  • History of Java
  • Features of Java
  • C++ vs Java
  • JDK vs JRE vs JVM
  • JVM - Java Virtual Machine
  • First Java Program
  • Variables
  • Data Types
  • Operators

Java Flow Control

  • Java If-else
  • Java Switch-Case
  • Java For loop
  • Java while loop
  • Java do-while loop
  • Continue statement
  • break statement

Java Arrays

  • Java Arrays

OOPs Concepts

  • OOPs Concepts
  • Constructor
  • Java String
  • Static keyword
  • Inheritance
  • Types of inheritance
  • Aggregation
  • Association
  • Super Keyword
  • Method overloading
  • Method overriding
  • Overloading vs Overriding
  • Polymorphism
  • Types of polymorphism
  • Static and dynamic binding
  • Abstract class and methods
  • Interface
  • Abstract class vs interface
  • Encapsulation
  • Packages
  • Access modifiers
  • Garbage Collection
  • Inner classes
  • Static import
  • Static constructor

Java Exception Handling

  • Exception handling
  • Java try-catch
  • Java throw
  • Java throws
  • Checked and Unchecked Exceptions
  • Jav try catch finally
  • Exception Examples
  • Exception Propagation

Collections Framework

  • Collections in Java
  • Java ArrayList
  • Java LinkedList
  • Java Vector
  • Java HashSet
  • Java LinkedHashSet
  • Java TreeSet
  • Java HashMap
  • Java TreeMap
  • Java LinkedHashMap
  • Java Queue
  • Java PriorityQueue
  • Java Deque
  • Comparable interface
  • Comparator interface
  • Collections Interview Questions

MORE ...

  • Java Scanner Class
  • Java 8 Features
  • Java 9 Features
  • Java Conversion
  • Java Date
  • Java Multithreading
  • Java I/O
  • Java Serialization
  • Java Regex
  • Java AWT
  • Java Swing
  • Java Enum
  • Java Annotations
  • Java main method
  • Java Interview Q

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