OCPJP 6 Mock Exam – 2


Q 1 : What is the output? Choose the one below: 10 20 ClassCastException Compiler Error Compiler Error Q 2 : What is the output? Choose the one below: [null = null] NullPointerException null [] Q 3 : What is the output? Choose the one below: [null = null] NullPointerException null [] Q 4 : […]

Java EE Books


Head First Servlets And JSP by Bryan Basham, Kathy Sierra, Bert Bates This book will get you way up to speed on the technology you’ll know it so well, in fact, that you can pass the brand new J2EE 1.5 exam. If that’s what you want to do, that is. Maybe you don’t care about the […]

Introduction to JSP


Java EE Tutorials JSP Tutorials Recommended Books for Java Server Pages (JSP) What is JSP? Java Server Pages or as is normally called JSP is a Java based technology that simplifies the developing of dynamic web sites. It is a technology developed by Sun Microsystems, back in 1999. JSP pages are HTML pages with embedded […]

OCPJP 6 Mock Exam -1


Q 1 : What will be the output? Choose the one below: 0 0 0 ArrayIndexoutOfBoundsException NullPointerException null null null Q 2 : Which of the following are valid array declarations? int arr[] = new int[]; float arr[10] = new fl double []arr = new double[10]; None Of the Above. Q 3 : What will […]



How many OCAJP 7 exam questions? There are total 90 questions will be asked in the OCAJP 7 (1Z0-803). It is the entry level example in the Java Certification path. The questions which are asked as part of this exam is fundamentals of Java and not much programming or real time experience is required to […]

OCAJP 7 Exam Syllabus


OCAJP 7 Exam Topics List Java Basics Define the scope of variables Define the structure of a Java class Create executable Java applications with a main method Import other Java packages to make them accessible in your code Working With Java Data Types Declare and initialize variables Differentiate between object reference variables and primitive variables […]

JPA Vs Hibernate


I have come across this question from many of our readers and who ever working on the hibernate framework : What is the difference between Java Persistence API (JPA) and Hibernate ORM Framework. This post simply answer to those who are confusing with JPA and Hibernate difference. JPA and Hibernate Difference JPA is a specification for […]

Difference Between Class.forName() and ClassLoader.loadClass()


Class.forName() and ClassLoader.loadClass(), both the classes dynamically loading the classes to the classpath. However, there are subtle difference on initializing the classes at the time of loading and from where it is loaded. This tutorials compares both the form of class loading with simple examples. Class.forName() By default the classes are initialized at the time […]

JPA 2 Tutorials


Java Persistance API (JPA) is the object relational mapping (ORM) specification for Java EE applications. JPA 2 is the second major release for the JPA framework with lot of interesting features. Many of the features introduced with this release are already supported by the many of the framework vendors like Hibernate, EclipseLink, etc. This JPA 2 […]

JPA 2 Criteria API


One of the important feature in JPA 2.0 is using the Criteria API for forming the SQL queries. If you would have worked with the JPA 1.0 version, you must be familiar with the Java Persistence Query Language (JQL) which is similar to writing the SQL queries. This approach is good for the developers who are […]