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






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






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






5. 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.






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






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






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






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






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






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






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






13. 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.






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






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






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






17. 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.






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






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






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






21. 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






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






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






24. An opensource Java Application Server






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






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






27. 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.






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






29. Keeps two threads from interfering with one another.






30. 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.






31. 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






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






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






34. 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.






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






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






37. 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.






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






39. This separates the content presentation (View) from the underlying business operations/content generation (Model) using infrastructure/controller Servlet (Controller) which exists between the client browser and the JSP/Servlet-generated pages. Contro






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






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






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






43. 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






44. Reuses the functionality from a previously defined interface.






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






46. Introduces a class






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






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






49. 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).






50. Indicates that a variable or method belongs to a class rather than to any object created from the class.







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