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






2. A self-reference






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






4. An opensource Java Application Server






5. 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.






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






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






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






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






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






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






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






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






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






15. 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.






16. 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






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






18. 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






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






20. 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).






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






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






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






24. 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.






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






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






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






28. Introduces statements that are executed when something interrupts the flow of execution in a try clause.






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






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






31. 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).






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






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






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






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






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






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






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






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






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






41. Basic code block of a JSP page






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






43. A Java class that can be loaded into and run dynamically in a Servlet container on a web server; interact with web clients via a request-response model based on HTTP.






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






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






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






47. 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






48. 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.






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






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







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