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






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






3. An opensource Java Application Server






4. A library than enables CORBA objects to locate and communicate with one another.






5. A technology that provides distributed persistence and data exchange mechanisms for code in Java.






6. Similar to the include Directive but can pass information to the included resource






7. Indicates that a value is a 64-bit number with one or more digits after the decimal point.






8. Indicates that a variable or method can be used in subclasses from another package.






9. Basic code block of a JSP page






10. Introduces the last will and testament of the statements in a try clause.






11. ______ 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






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






13. Refers to the superclass of the code in which the word super appears.






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






15. 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.






16. Introduces a path of execution to take when no case is a match in a switch statement.






17. 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.






18. Indicates that a variable or method can be used only within a certain class.






19. 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.






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






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






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






23. 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






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






25. 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.






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






27. Introduces statements that are watched (during runtime) for things that can go wrong.






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






29. Creates a new exception object and indicates that an exceptional situation (usually something unwanted) has occurred.






30. Indicates that a value is an 8-bit whole number.






31. 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.






32. An industry standard for database-independent connectivity between the Java platform and a wide range of databases. The JDBC provides a call-level API for SQL-based database access.






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






34. A self-reference






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






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






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






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






39. 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()






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






41. Indicates that a value is a 32-bit whole number.






42. Indicates that the details of a class or a method or an interface are given elsewhere in the code.






43. Creates an object from an existing class.






44. Keeps two threads from interfering with one another.






45. 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.






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






47. A distributed object model for Java program to Java program in which the methods of remote objects written in the Java programming language can be invoked from other Java virtual machines1 - possibly on different hosts.






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






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






50. Evaluates interior code to a String and feeds it to the implicit "out" print writer (JspWriter) - done at time of JSP page request







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