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- Question
Which of these class have only one field 'TYPE' ?
Options- A. Run time
- B. Process
- C. Void
- D. System
- Correct Answer
- Void
ExplanationThe Void class has one field, TYPE, which holds a reference to the Class object for the type void.
- 1. void waitForSignal() { Object obj = new Object(); synchronized (Thread.currentThread()) { obj.wait(); obj.notify(); } } Which statement is true?
Options- A. This code can throw an InterruptedException.
- B. This code can throw an IllegalMonitorStateException.
- C. This code can throw a TimeoutException after ten minutes
- D. All the above Discuss
- 2. Which containers use a border Layout as their default layout ? Discuss
- 3. Can you give few examples of final classes defined in Java API? Discuss
- 4. What is SQL*Plus? Explain its features Discuss
- 5. What is the difference between dao,rdo and ado explain simply ? Discuss
- 6. Which of the following attribute can hold the JavaScript version?
Options- A. script
- B. version
- C. language
- D. none of the above Discuss
- 7. Which JSON framework is supported by iOS? Discuss
- 8. What is the security aspects provided with cloud? Discuss
- 9. find all Employee records containing the word "Joe", regardless of whether it was stored as JOE, Joe, or joe. Discuss
- 10. What are the difference between call screen and leave screen? Discuss
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Correct Answer: This code can throw an IllegalMonitorStateException.
Explanation:
It will throw IllegalMonitorStateException.
Correct Answer: The window, Frame and Dialog classes use a border layout as their default layout
Correct Answer: javalangString, javalangMath are final classes
Correct Answer: SQL*plus allows SQL and PL/SQL scripts to interactively run in command line It allows three kinds of commands to run; SQL, PL/SQL and SQL * Plus commands It?s most commonly used by DBA?s to interact with the oracle database
Correct Answer: DAO (Data access object ) is used for accessing data before ado it was used for database installed on same sys where the application resides RDO (Remote data object ) is used for accessing remote data ADO (Active data object ) most powerful till date it is nothing but combination of both DAO and RDO
Correct Answer: language
Explanation:
Language attribute contains the javascript versions.
Correct Answer: SBJson framework is supported by iOS It is a JSON parser and generator for Objective-C SBJson provides flexible APIs and additional control that makes JSON handling easier
Correct Answer: Security is one of the major aspects which come with any application and service used by the user Companies or organizations remain much more concerned with the security provided with the cloud There are many levels of security which has to be provided within cloud environment such as: ? Identity management: it authorizes the application service or hardware component to be used by authorized users ? Access control: permissions has to be provided to the users so that they can control the access of other users who are entering the in the cloud environment ? Authorization and authentication: provision should be made to allow the authorized and authenticated people only to access and change the applications and data
Correct Answer: SELECT * from Employees WHERE upper(EmpName) like upper('joe%');
Correct Answer: Call Screen: Calling a single screen is a special case of embedding a screen sequence If you want to prevent the called screen from covering the current screen completely, you can use the CALL SCREEN statement with the STARTING AT and ENDING AT CALL SCREEN 1000 CALL SCREEN 1000 STARTING AT 10 10 ENDING AT 20 20 LEAVE SCREEN statement ends the current screen and calls the subsequent screen LEAVE SCREEN LEAVE TO SCREEN 2000
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