JVM INTERVIEW QUESTIONS AND ANSWERS

JVM Interview Questions and Answers 1)How can I write a program that takes command line input? Java programs that take input from the command line declare a special static method called main, which takes aString array as an argument and returns void. The example program below loops through any arguments passed to the program on…

J2SE INTERVIEW QUESTIONS AND ANSWERS

60+ TOP J2SE Interview Questions and Answers 1. What is abstract ? A Java keyword used in a class definition to specify that a class is not to be instantiated, but rather inherited by other classes. An abstract class can have abstract methods that are not implemented in the abstract class, but in subclasses. 2….

J2ME Interview Questions and Answers

90+ TOP J2ME Interview Questions and Answers 1 . What is J2ME ? Java 2, Micro Edition is a group of specifications and technologies that pertain to Java on small devices. The J2ME moniker covers a wide range of devices, from pagers and mobile telephones through set-top boxes and car navigation systems. The J2ME world…

Iphone Apps Interview Questions and Answers

30+ TOP Iphone Apps Interview Questions & Answers 1. What is iPhone? • IPhone is a combination of internet and multimedia enabled smart phone developed by Apple Inc. • iPhone functions as a camera phone, including text messaging, and visual voice mail • iPhone is a portable media player that resembles a video iPod •…

Informatica Interview Questions and Answers

100+ TOP Informatica Interview Questions & Answers 1. HOW CAN YOU RECOGNIZE WHETHER OR NOT THE NEWLY ADDED ROWS IN THE SOURCE ARE GETS INSERT IN THE TARGET? In the Type2 maping we have three options to recognise the newly added rows Version number Flagvalue Effective date Range. 2. WHAT IS THE DIFFERENCE BETWEEN INFORMATICA…

IBM Rexx Interview Questions and Answers

22+ TOP IBM Rexx Interview Questions & Answers 1. Can I cleanly uninstall ooRexx? Yes! 2. Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language? uni-REXX offers a complete set of Application Programming Interfaces (APIs)….

IBM Mainframe Interview Questions

50+ TOP IBM Mainframe Interview Questions and Answers 1. Name the divisions in a COBOL program. IDENTIFICATION DIVISION, ENVIRONMENT DIVISION, DATA DIVISION, PROCEDURE DIVISION. 2. What are the different data types available in COBOL? Alpha-numeric (X), alphabetic (A) and numeric (9). 3. What does the INITIALIZE verb do? Alphabetic, Alphanumeric fields & alphanumeric edited items…

IBM JCL Interview Questions and Answers

50+ TOP IBM JCL Interview Questions 1.What is primary allocation for a dataset? The space allocated when the dataset is first created. 2.What is the difference between primary and secondary allocations for a dataset? Secondary allocation is done when more space is required than what has already been allocated. 3.How many extents are possible for…