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 class that wraps primitives - Integer or Boolean...






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






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






4. Creates an object from an existing class.






5. Used to generate HTML






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






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






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






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






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






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






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






14. The core framework supports clocks for synchronizing between different media (e.g. audio and video output). The standard extension framework allows users to do full audio and video streaming.






15. 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).






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






17. CRUD: Create - Retrieve - ________ - Delete






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






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






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






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






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






23. Servlet is: loaded by servlet container when 1st requested; is then forwarded the user's request; processes the user's request; returns the response back to the servlet container. Servlet container sends this response back to the user. Servlet stays






24. Jumps out of a loop or switch.






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






26. Reuses the functionality from a previously defined interface.






27. ______ 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






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






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






30. 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 goto variable.






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






32. 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.






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






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






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






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






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






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






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






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






41. A definition of the interfaces that permit CORBA objects to participate in transactions.






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






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






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






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






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






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






48. 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






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






50. 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.







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