Test your basic knowledge |

Java Programming Basics

Subject : it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Indicates that a method or constructor may pass the buck when an exception is thrown.






2. Forces the abrupt end of the current loop iteration and begins another iteration.






3. A portable platform-independent reusable component model. A component that conforms to this model is called a bean.






4. Jumps out of a loop or switch.






5. Enables the programmer to abbreviate the names of classes defined in a package.






6. The output of one servlet act as a input to another servlet.






7. Creates a newly defined type






8. A special Java servlet-aware web server process.






9. Run-once code blocks which run once at beginning of page load for initialization tasks - can appear anywhere in .jsp page itself - useful for overload JspInit() and JspDestroy()






10. In the Java programming language specification - describes a floating point number that holds 64 bits of data. See also single precision.






11. Introduces statements that are executed when the condition in an if statement isn't true.






12. Includes a new tag library into page - allows use of tags in page






13. A Web scripting language that is used in both browsers and Web servers. Like all scripting languages it is used primarily to tie other components together or to accept user input.






14. A lock that can be counted - i.e. how many times a resouce has been accessed and locked






15. A set of APIs that support the integration of audio and video clips & 2D fonts & graphics and images as well as 3D models and telephony.






16. A set of APIs that assists with the interfacing to multiple naming and directory services.






17. Common Object Request Broker Architecture. A language independent distributed object model specified by the Object Management Group (OMG).






18. Keeps two threads from interfering with one another.






19. Reuses the functionality from a previously defined interface.






20. Allows us to invoke more than one servlet in sequence when the URL is opened with a common servlet alias.






21. Repeats some statements over and over again (as long as a condition is still true).






22. A software development environment for writing applets and application in Java .






23. A subset of the Java Development Kit (JDK) for end-users and developers who want to redistribute the runtime environment alone. The Java runtime environment consists of the Java virtual machine1 - the Java core classes and supporting files.






24. Introduces one of several possible paths of execution in a switch statement.






25. ______ uses HTML-like tags in a "*.jsp" web-page on a web server linked to from the client's web-browser as short-hand to render Java Servlet code in a Java .class file by the Servlet/JSP container (done by the "page-compiler" Servlet) running on the






26. Type of Java program (as opposed to a stand-alone program) which is embedded in a web page (requested from a server) and run on a client-side browser






27. Indicates that a variable's value cannot be changed - that a class's functionality cannot be extended or that a method cannot be overridden.






28. A tool for checking compliance of applications and applets to a specification.






29. Indicates that a value is a 64-bit whole number.






30. Indicates that a value is a character (a single letter or digit or punctuation symbol and so on) stored in 16 bits of memory.






31. A description of the structure and properties of a class of XML files.






32. A tree of objects with interfaces for traversing the tree and writing an XML version of it as defined by the W3C specification.






33. Ends execution of a method and possibly returns a value to the calling code.






34. Introduces a class






35. An opensource Java Application Server






36. Indicates that a value is a 16-bit whole number.






37. Tests to see whether a certain object comes from a certain class.






38. A set of Java APIs that provide CORBA (Common Object Request Broker Architecture) interoperability and connectivity capabilities for the J2EE platform. These capabilities enable J2EE applications to invoke operations on remote network services using






39. Introduces statements that are executed when something interrupts the flow of execution in a try clause.






40. Indicates that a variable or class or method can be used by any other Java code.






41. A class that wraps primitives - Integer or Boolean...






42. A platform-independent file format that aggregates many files into one. Multiple applets written in the Java programming language and their requisite components (.class files & images & sounds and other resource files) can be bundled in a JAR file an






43. A software development environment for writing applets and applications in the Java programming language. Technically - the JDK is the correct name for all versions of the Java platform from 1.0 to 1.1.x.






44. Used to generate HTML






45. Consists of class libraries - a Java virtual machine (JVM) and class loader (which comprise the runtime environment) and a compiler - debugger and other tools (which comprise the development kit).






46. Tests the truth of a condition that the programmer believes is true.






47. Limits the computer's ability to represent extra large or extra small numbers when the computer does intermediate calculations on float and double values.






48. Indicates that a value is either true or false in the Java sense.






49. A set of Java APIs that may be incorporated an optional package for any Java 2 Platform Edition. The Jini APIs enable transparent networking of devices and services and eliminates the need for system or network administration intervention by a user.






50. A protocol used for communication between CORBA object request brokers.







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