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- Question
What is the difference between an Interface and an Abstract class ?
- Correct Answer
- 1Main difference is methods of a Java interface are implicitly abstract and cannot have implementations A Java abstract class can have instance methods that implements a default behavior 2Variables declared in a Java interface is by default final An abstract class may contain non-final variables 3Members of a Java interface are public by default A Java abstract class can have the usual flavors of class members like private, protected, etc 4Java interface should be implemented using keyword ?implements?; A Java abstract class should be extended using keyword ?extends? 5An interface can extend another Java interface only, an abstract class can extend another Java class and implement multiple Java interfaces 6A Java class can implement multiple interfaces but it can extend only one abstract class 7Interface is absolutely abstract and cannot be instantiated; A Java abstract class also cannot be instantiated, but can be invoked if a main() exists 8In comparison with java abstract classes, java interfaces are slow as it requires extra indirection
- 1. What is CRR rate? Discuss
- 2. Which among the following are not access Specifiers in C++?
Options- A. Public
- B. Protected
- C. Default
- D. Private Discuss
- 3. In which year, the first bank of India "Bank of Hindustan" was established ?
Options- A. 1677
- B. 1770
- C. 1796
- D. 1831 Discuss
- 4. What could be the bucket size if collision and overlapping occur at same time?
Options- A. 2
- B. 0
- C. 1
- D. 4 Discuss
- 5. Default constructor accepts how many arguments?
Options- A. one
- B. two
- C. three
- D. None Discuss
- 6. What are the mandatory part to present in function pointers?
Options- A. &
- B. retrun values
- C. data types
- D. none of these Discuss
- 7. Which of the following can derived class inherit?
Options- A. members
- B. functions
- C. both a & b
- D. None of the above Discuss
- 8. What kind of object is modifying sequence algorithm?
Options- A. Function template
- B. Class template
- C. Method
- D. None of these Discuss
- 9. Fixed Foreign Exchange rate can be changed by
Options- A. SEBI
- B. Ministry of Finance
- C. RBI
- D. All of the above Discuss
- 10. The shortcut key to quit from tally is
Options- A. CTRL + Q
- B. CTRL + ESC
- C. CTRL + T
- D. CTRL + P Discuss
More questions
Correct Answer: CRR or Cash Reverse Ratio is the amount of money that a commercial bank has to keep with the Reserve Bank of India If the bank increase CRR then the amount with RBI comes down and vice-versa
Correct Answer: Default
Explanation:
Default is the access specifier in java not in C++
Correct Answer: 1770
Explanation:
Among the first banks were the Bank of Hindustan, which was established in 1770 and liquidated in 1829-32.
Correct Answer: 1
Explanation:
One. If there is only one entry possible in the bucket, when the collision occurs, there is no way to accommodate the colliding value. This results in the overlapping of values
Correct Answer: None
Explanation:
Default constructors has no arguments
Correct Answer: data types
Explanation:
The data types are mandatory for declaring the variables in the function pointers.
Correct Answer: both a & b
Correct Answer: Function template
Explanation:
It is a group of functions and implemented under algorithm header file.
Correct Answer: RBI
Explanation:
Fixed Foreign Exchange rate can be changed by Reserve Bank Of India (RBI).
Correct Answer: CTRL + Q
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