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






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






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






4. Basic code block of a JSP page






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






6. An opensource Java Application Server






7. Creates an object from an existing class.






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






9. 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.






10. 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.






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






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






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






14. 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






15. 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






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






17. Keeps two threads from interfering with one another.






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






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






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






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






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






23. 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






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






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






26. ______ 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






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






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






29. 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






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






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






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






33. CRUD: Create - Retrieve - ________ - Delete






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






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






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






37. 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.






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






39. 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.






40. Puts the code into a package






41. _______ separates Java code/functionality from page design and use of tags in JSP and allows for re-use of beans






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






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






44. 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.






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






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






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






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






50. 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.







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