heartin's blog

Downloading, Installing and Configuring Java First Time

Submitted by heartin on Sat, 09/15/2012 - 13:00

Here we will discuss the details of downloading, installing and configuring java for first time. You will first find the steps in writing followed by complete screenshots of these steps as a slideshow.

JDK, JRE, JVM, and Your First Java Program

Submitted by heartin on Fri, 09/14/2012 - 21:38

Read about JDK, JRE, JVM, classes, objects and methods in brief and write, compile and execute your first java program. Discusses why Java is called as a compiled interpreted language and also why java is platform independent.

Enumeration, Iterator and ListIterator in Java

Submitted by heartin on Thu, 09/13/2012 - 20:03

Both Enumeration and Iterator are interfaces in Java for getting successive elements. Enumeration is older while iterator was introduced later with some improvements. Iterator has taken the place of Enumeration in the Java collections framework. ListIterator is a sub-interface of Iterator and allows the programmer to traverse the list in either direction, modify the list during iteration, and obtain the iterator's current position in the list. 

Summary of Object-Oriented Programming (OOP) Concepts in Java

Submitted by heartin on Wed, 09/12/2012 - 03:43

Object-Oriented Programming (OOP) uses "objects" to model realworld objects. Object-Oriented Programming (OOP) consist of some important concepts namely Encapsulation, Polymorphism, Inheritance and Abstraction. These features are generally referred to as the OOPS concepts. 

Enums In Java - with Examples, Advantages & Use Cases

Submitted by heartin on Thu, 09/06/2012 - 05:07

Enums in java are classes and each constant in an enum is a public final static field that represents an instance of its enum class. Unlike enums in java which are classes, traditional enumerated types ( used in java before java 5 and in some other languages) were a set of int/String constants.

Pages

Quick Notes Finder Tags

Activities (1) advanced java (1) agile (3) App Servers (6) archived notes (2) Arrays (1) Best Practices (12) Best Practices (Design) (3) Best Practices (Java) (7) Best Practices (Java EE) (1) BigData (3) Chars & Encodings (6) coding problems (2) Collections (15) contests (3) Core Java (All) (55) course plan (2) Database (12) Design patterns (8) dev tools (3) downloads (2) eclipse (9) Essentials (1) examples (14) Exception (1) Exceptions (4) Exercise (1) exercises (6) Getting Started (18) Groovy (2) hadoop (4) hibernate (77) hibernate interview questions (6) History (1) Hot book (5) http monitoring (2) Inheritance (4) intellij (1) java 8 notes (4) Java 9 (1) Java Concepts (7) Java Core (9) java ee exercises (1) java ee interview questions (2) Java Elements (16) Java Environment (1) Java Features (4) java interview points (4) java interview questions (4) javajee initiatives (1) javajee thoughts (3) Java Performance (6) Java Programmer 1 (11) Java Programmer 2 (7) Javascript Frameworks (1) Java SE Professional (1) JPA 1 - Module (6) JPA 1 - Modules (1) JSP (1) Legacy Java (1) linked list (3) maven (1) Multithreading (16) NFR (1) No SQL (1) Object Oriented (9) OCPJP (4) OCPWCD (1) OOAD (3) Operators (4) Overloading (2) Overriding (2) Overviews (1) policies (1) programming (1) Quartz Scheduler (1) Quizzes (17) RabbitMQ (1) references (2) restful web service (3) Searching (1) security (10) Servlets (8) Servlets and JSP (31) Site Usage Guidelines (1) Sorting (1) source code management (1) spring (4) spring boot (3) Spring Examples (1) Spring Features (1) spring jpa (1) Stack (1) Streams & IO (3) Strings (11) SW Developer Tools (2) testing (1) troubleshooting (1) user interface (1) vxml (8) web services (1) Web Technologies (1) Web Technology Books (1) youtube (1)