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JAVA: Some links: useful for exams like scjp/scja
Assertions in Java: http://java.sun.com/j2se/1.4.2/docs/guide/lang/assert.html Enum in Java:http://www.java2s.com/Code/Java/Language-Basics/Enum.htm StringBuffer and StringBuilder Classes have similar methods where StringBuffer is synchronized: http...
SCJP: Java Operators
Exams like SCJP test your understanding of Java operators and how to use them like: assignment operators: =, +=, -= arithmetic operators: +, -, *, /, %, ++, – relational operators: =, ==, != logical operators: &, |, ^, !, &...
SCJP: Classpath and Jar
Java certification exams like SCJP test your knowledge about java classpath. Check here for an excellent resource on the topic . System classpath We can specify classpath in the command line or make use of a `system’ class path. The IDEs have ...
SCJP: Topics and Resources : will be continued
SCJP topics and related resources are provided. I have skimed through the resources at least one time. Garbage Collection Test area:Given a code example, recognize the point at which an object becomes eligible for garbage collection, determine what...
SCJP: Language Fundamentals
Class declaration and java source file. Only “one” top-level public class is allowed per java source file. The name of the java source file and the name of the top-level public class MUST be the same. If no public class is there in a ...
SCJP: Garbage Collection
Garbage Collection Java itself does memory management. You do not need to allocate memory at the time of object creation; also you do not need to free memory explicitly Object is created either on the heap or on a stack Memory heap: Objects creat...
SCJP: Flow controls and exception
Flow Control and Exceptions Flow control statements Conditional: if, if-else and switch-case Looping: for, while, do-while Exception handling: try-catch-finally, throw Ad hoc flow control: break, continue with or without labels switch stat...
SCJP: Class Declarations
class declarations Start with modifiers such as public, private followed by class keyword The class name, with the initial letter capitalized The name of the class’s parent (superclass), preceded by the keyword extends (if...
SCJP: Interfaces
Interface An interface is a reference type, similar to a class Interfaces can contain only constants, method signatures, and nested types No method is implemented Interfaces cannot be instantiated They can only be implemented by class...
What is Spring Framework? What does it mean to J2EE developers
What is Spring Framework? What does it mean to J2EE developers? Spring is a light-weight framework, very often referred as an alternative/competitor to EJB, for the development of enterprise-type applications. Spring provides many features such as d...
Spring Applications: Examples
equinox-jsf-ch11-completed.tar.gz equinox-jsf-ch11-completed.zip equinox-jsf-ch11.tar.gz equinox-jsf-ch11.zip equinox-tapestry-ch11-completed.tar.gz equinox-tapestry-ch11-completed.zip equinox-tapestry-ch11.tar.gz equinox-tapestry-ch11.zip equinox-we...
Spring Resources
Step by step Spring Spring Tutorial: Just OK Spring Tutorial Spring Tutorial...
Java Spring Topics: What spring framework brings to the table
Java Spring Topics Knowing the buzzwords does not make anyone a good developer. However, it helps. Being expert in a technology like Spring in one day is not possible, but initially getting familiar with all the aspects is helpful as you will know wh...
Introduction to Spring
Open-sourced on February, 2003 Layered J2EE application framework Inversion of Control (IoC): A Data Access Object (DAO) depends on a DataSource. Allows: code to interfaces Spring has classes to support Hibernate, Struts, and ...
Writing your first Spring application
Requirements: JDK 1.4.2 (or above), Tomcat 5.0+, Ant 1.6.1+ Also, you can use cygwin in windows to emulate linux like commands set JAVA_HOME, ANT_HOME, CATALINA_HOME environment variables [...]...
Your First Spring+Hibernate Application in IntelliJ
First Spring+Hibernate Application in IntelliJ...
A simple EJB 3.0 application: Explanation of EJB 3.0 technology: EJB => Spring Framework
A simple EJB 3.0 application: Explanation of EJB 3.0 technology: EJB => Spring Framework...
What is Java Spring Framework?
According to the Spring Framework Reference Documentation (springframework.org): “…Spring provides a light-weight solution for building enterprise-ready applications, while still supporting the possibility of using declarative transa...
Lesson 1: Java Spring Step by Step
Video Tutorial by JustEtc: Lesson 1: Java Spring Step by Step The code of the examples as demonstrated in the video. This code is also taken from SpringFramework tutorial by Thomas Risberg, Rick Evans, Portia Tung : Ref: http://static.springframewor...
