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. Introduces a class






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






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






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






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






6. 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.






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






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






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






10. CRUD: Create - Retrieve - ________ - Delete






11. 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).






12. Sets attributes and properties specific to the current JSP page






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






14. Includes a file in the page






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






16. Keeps two threads from interfering with one another.






17. 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






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






19. Basic code block of a JSP page






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






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






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






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






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






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






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






27. 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






28. Indicates that a value is a 32-bit number with one or more digits after the decimal point.






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






30. 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()






31. 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.






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






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






34. 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.






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






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






37. 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).






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






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






40. 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.






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






42. Reuses the functionality from a previously defined interface.






43. Indicates that a method doesn't return a value.






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






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






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






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






48. Creates a newly defined type






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






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