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






2. A subset of the Java Development Kit (JDK) for end-users and developers who want to redistribute the runtime environment alone. The Java runtime environment consists of the Java virtual machine1 - the Java core classes and supporting files.






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






4. Used to generate HTML






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






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






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






8. 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.






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






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. 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.






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






13. Includes a file in the page






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






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






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






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






18. 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






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






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






21. 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).






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






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






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






25. 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.






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






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






28. 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()






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






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






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






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






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






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






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






37. 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






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






39. Puts the code into a package






40. Creates a subclass






41. Basic code block of a JSP page






42. Keeps two threads from interfering with one another.






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






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






45. ______ 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






46. A self-reference






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






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






49. Creates an object from an existing class.






50. Introduces a class







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