Java Boot-Camp Training: – Day10: JDBC, IO, Serialization

Introduction Data stored in variables and arrays is temporary It’s lost when a local variable goes out of scope or when the program terminates For long-term retention of (more…)

Java Boot-Camp Training: – Collection continued, Inner Classes, Networking

Java Networking Java Networking is a concept of connecting two or more computing devices together so that we can share resources. Java socket programming provides facility to (more…)

Java Boot-Camp Training: – Day08: Object Class and Collections

Object class Superclass for all Java classes Any class without explicit extends clause is a direct subclass of Object Methods of Object include: String toString() boolean equals (Object other) int hashCode() Object (more…)

Java Boot-Camp Training: – Day07: Exception Handling

Exceptions… One of the powerful mechanism to handle the runtime errors so that normal flow of the application can be maintained. In java, exception is an event (more…)

Java Boot-Camp Training: – Day06: OOPs with Java Continued

Java Package A java package is a group of similar types of classes, interfaces and sub-packages. Package in java can be categorized in two form, built-in package (more…)

Java Boot-Camp Training: – Day05: Object Oriented Programming with Java

Object Oriented Programming •Software development methodology •Maps to real world objects •Graphics Car  Real Cal •Revolves around objects and classes •Object can communicate with each other •Software is divided into (more…)

Java Boot-Camp Training: – Day03: Arrays and Strings in Java

Arrays in Java. Making an array in a Java program involves three distinct steps: Declare the array name. Create the array. Initialize the array values. We refer to an array (more…)

Java / J2EE Training: Spring

Spring is a lightweight framework. It can be thought of as a framework of frameworks because it provides support to various frameworks such as Struts, (more…)

Java J2EE Training: Hibernate Basics

Hibernate is a high-performance Object/Relational persistence and query service which is licensed under the open source GNU Lesser General Public License (LGPL) and is free (more…)

JAVA/J2EE Interview Questions Part 2

Here you will find  the continuous of 50-100 Java interview questions . What’s being presented here are some commonly asked Java interview questions that cover a (more…)

JAVA/J2EE Training: JDBC

File processing Random access or sequential Only allow access to data Cannot query Database systems Mechanisms to organize and store data Allow sophisticated queries Relational database – most popular style Microsoft Access, Sybase, (more…)

JAVA/J2EE Training: Java Programming Tutorial OOP – Inheritance & Polymorphism

1. Composition There are two ways to reuse the existing classes, namely, composition and inheritance. With composition (aka aggregation), you define a new class, which is composed (more…)