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- Question
Which is more effective while calling the functions?
Options- A. call by value
- B. call by reference
- C. call by pointer
- D. none
- Correct Answer
- call by reference
ExplanationIn the call by reference, it will just copy the address of the variable to access it, so it will reduce the memory in accessing it.
- 1. What is the correct JavaScript syntax to write ?Hello World??
Options- A. System.out.println(
- B. println (
- C. document.write(
- D. response.write( Discuss
- 2. Javascript is interpreted by
Options- A. Server
- B. Object
- C. Client
- D. None of the above Discuss
- 3. Write an SQL Query find number of employees according to gender whose DOB is between 01/01/1960 to 31/12/1975. Discuss
- 4. Write SQL Query to display current date? Discuss
- 5. What are the types of Collision Resolution Techniques and the methods used in each of the type? Discuss
- 6. What is the default return type of a function ?
Options- A. int
- B. void
- C. float
- D. char Discuss
- 7. What do you mean by friend function in C++ ? Discuss
- 8. Which of the following is not the member of class?
Options- A. Virtual function
- B. Static function
- C. Friend function
- D. Const function Discuss
- 9. Should a main() method be compulsorily declared in all java classes? Discuss
- 10. What is the importance of finally block in exception handling ? Discuss
Technology problems
Search Results
Correct Answer: document.write(
Correct Answer: Client
Explanation:
JavaScript is an interpreted language, not a compiled language. A program such as C++ or Java needs to be compiled before it is run.
The source code is passed through a program called a compiler, which translates it into bytecode that the machine understands and can execute.
Correct Answer: SELECT COUNT(*), sex from Employees WHERE DOB BETWEEN ?01/01/1960 ' AND ?31/12/1975? GROUP BY sex;
Correct Answer: The built in function called GetDate() returns the time stamp
Correct Answer: Open addressing (closed hashing), The methods used include: Overflow block, Closed addressing (open hashing) The methods used include: Linked list, Binary tree?
Correct Answer: void
Correct Answer: Friends can be either functions or other classes The class grants friends unlimited access privileges * The declaration of the function should be preceded by the keyword 'friend' * The function definition will not use the keyword or the scope operator '::' Thus, a friend function is an ordinary function or a member of another class
Correct Answer: Friend function
Correct Answer: No not required main() method should be defined only if the source class is a java application
Correct Answer: A finally block will always be executed, whether or not an exception is actually thrown Even in the case where the catch statement is missing and an exception is thrown, the finally block will still be executed Last thing to mention is that the finally block is used to release resources like I/O buffers, database connections, etc
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