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Computer Science Free Online Test Series
Questions:20
Time: 10 min
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- Question 1 of 20
1. Question
1 pointsCategory: ComputerWhich class cannot be a subclass in java
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- Question 2 of 20
2. Question
1 pointsCan we declare abstract static method
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- Question 3 of 20
3. Question
1 pointsCan we access private class outside the package
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- Question 4 of 20
4. Question
1 pointsWhy we use array as a parameter of main method
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- Question 5 of 20
5. Question
1 pointsSuspend thread can be revived by using
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- Question 6 of 20
6. Question
1 pointsRunnable is
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- Question 7 of 20
7. Question
1 pointsWhich collection class associates values witch keys, and orders the keys according to their natural order
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- Question 8 of 20
8. Question
1 pointsWhich method is used to perform DML statements in JDBC
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- Question 9 of 20
9. Question
1 pointsWhich of the following below are valid isolation levels in J2EE
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- Question 10 of 20
10. Question
1 pointsSession beans are created by the client submitting the query to the database
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- Question 11 of 20
11. Question
1 pointsWhich methods are utilized to control the access to an object in multi threaded programming
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- Question 12 of 20
12. Question
1 pointsIn Runnable, many threads share the same object instance
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- Question 13 of 20
13. Question
1 pointsJava beans have no types
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- Question 14 of 20
14. Question
1 pointsProgram which executes applet is known as
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- Question 15 of 20
15. Question
1 pointsWhich statement is static and synchronized in JDBC API
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- Question 16 of 20
16. Question
1 pointsThe JDBC-ODBC bridge is
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- Question 17 of 20
17. Question
1 pointsAll raw data types should be read and uploaded to the database as an array of
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- Question 18 of 20
18. Question
1 pointsThe class java.sql.Timestamp is associated with
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- Question 19 of 20
19. Question
1 pointsWhich of the following statements about arrays is syntactically wrong
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- Question 20 of 20
20. Question
1 pointsThe Externizable interface extends the serializable interface
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