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- Question
What do you mean by friend function in C++ ?
- 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
- 1. What is the default return type of a function ?
Options- A. int
- B. void
- C. float
- D. char Discuss
- 2. Which is more effective while calling the functions?
Options- A. call by value
- B. call by reference
- C. call by pointer
- D. none Discuss
- 3. What is the correct JavaScript syntax to write ?Hello World??
Options- A. System.out.println(
- B. println (
- C. document.write(
- D. response.write( Discuss
- 4. Javascript is interpreted by
Options- A. Server
- B. Object
- C. Client
- D. None of the above Discuss
- 5. Write an SQL Query find number of employees according to gender whose DOB is between 01/01/1960 to 31/12/1975. Discuss
- 6. Which of the following is not the member of class?
Options- A. Virtual function
- B. Static function
- C. Friend function
- D. Const function Discuss
- 7. Should a main() method be compulsorily declared in all java classes? Discuss
- 8. What is the importance of finally block in exception handling ? Discuss
- 9. How can you make sure the web application is fit for release ? Discuss
- 10. What is the difference between Tags and HTML Elements ? Discuss
Technology problems
Search Results
Correct Answer: void
Correct Answer: call by reference
Explanation:
In 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.
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: 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
Correct Answer: 1 We can operate majority of test cases, but importantly we can make use testing techniques such as Pair-wise testing to reduce combinations, and/or model based testing to plan user journeys to ensure major functionality of web application works or not 2 We can also use analytics to get insight into what users do on the website, which page is most popular and which feature is most used by the users
Correct Answer: * HTML elements communicate with the Browser how to represent the text * HTML elements become HTML tags when enclosed within the angular brackets as "<>"
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