Question

C++ language

5. Q5 What output will be produced by the following code, when embedded in a complete program? int number = 26; { int number = 815; //cout << "number" << number; } cout << number << "number";

Answer 1

Output: "26 number"

1. int number = 26
   declares and initializes number to 26
2. { int number = 815;
   Even though it declares and initializes the number to 815, it is declared inside a block within curly brackets. So the scope of the variable 'number' which is declared inside the block is limited to that block, along with its value 815.
3. // cout<<" number "<< number;
   here '//' indicates that the line is commented and it will not be executed.
4. }
   Ends block
5. cout<<number<<" number";
   here, the variable "number" is different from the variable, "number" which is declared inside the block.
   So it prints "26 number"

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