Why is destructor used?
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can you give real time example for polymarphism
i=20;k=0; for(j=1;k-i;k+=j<10?4:3) { cout<<k; } //please comment on the output
what is data abstraction with example.
What is the default size allocated for array in the statement if size not specified " int a[] "
Can an interface inherit a class?
Is abstract thinking intelligence?
What are the 4 main oop principles?
What is oops with example?
Why is there no multiple inheritance?
This program numbers the lines found in a text file. Write a program that reads text from a file and outputs each line preceded by a line number. Print the line number right-adjusted in a field of 3 spaces. Follow the line number with a colon, then one space, then the text of the line. You should get a character at a time and write code to ignore leading blanks on each line. You may assume that the lines are short enough to fit within a line on the screen. Otherwise, allow default printer or screen output behavior if the line is too long (i.e., wrap or truncate). A somewhat harder version determines the number of spaces needed in the field for the line numbers by counting lines before processing the lines of the file. This version of the program should insert a new line after the last complete word that will fit within a 72-character line.
tell about copy constructor
What does sksksk mean in text slang?
STL 
