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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. Creates an object from an existing class.






2. You can't use this word in a Java program. The word has no meaning. Because it's a keyword - you can't create a const variable.






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






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






5. Indicates that a method or constructor may pass the buck when an exception is thrown.






6. Jumps out of a loop or switch.






7. Tells the computer to follow one of many possible paths of execution (one of many possible cases) depending on the value of an expression.






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






9. ______ 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






10. 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






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






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






13. Gets the computer to repeat some statements over and over again (for instance a certain number of times).






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






15. A CORBA standard for building server-side applications that are portable across heterogeneous ORBs.






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






17. 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()






18. A tool for tracking and managing source file changes - written in Java.






19. Causes the computer to repeat some statements over and over again (for instance as long as the computer keeps getting unacceptable results).






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






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






22. Two Servlet API packages: javax.servlet.* ___________






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






24. Indicates that if and when an object is serialized a variable's value doesn't need to be stored.






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






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






27. A software "execution engine" that safely and compatibly executes the byte codes in Java class files on a microprocessor (whether in a computer or in another electronic device).






28. 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.






29. Introduces an interface which is like a class but less specific.






30. A principal native to the operating system on which the Java platform is executing.






31. 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.






32. A test suite - a set of tools and other requirements used to certify a Java platform implementation conformant both to the applicable Java platform specifications and to Java Software reference implementations.






33. A standard programming interface for writing Java native methods and embedding the JVM into native applications. The primary goal is binary compatibility of native method libraries across all JVM implementations on a given platform.






34. Tests to see whether a condition is true. If it's true the computer executes certain statements; otherwise the computer executes other statements.






35. Creates a subclass






36. Used to generate HTML






37. Used to terminate the execution of the current JSP page and switch control to another resource






38. An extension that adds graphical user interface class libraries to the Abstract Windowing Toolkit (AWT).






39. Reuses the functionality from a previously defined interface.






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






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






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






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






44. Creates a newly defined type






45. A Java class that can be loaded into and run dynamically in a Servlet container on a web server; interact with web clients via a request-response model based on HTTP.






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






47. Imposes strict rules on the use of a variable by more than one thread at a time.






48. Enables the programmer to use code that was written in another language (one of those awful languages other than Java).






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






50. 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.







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