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Flow Control - Programming

Q1:

What will be the output of the program? 
for (int i = 0; i < 4; i += 2) 
{ 
    System.out.print(i + ' '); 
} 
System.out.println(i); /* Line 5 */

A 0 2 4

B 0 2 4 5

C 0 1 2 3 4

D Compilation fails.

ANS:A - 0 2 4

Compilation fails on the line 5 - System.out.println(i); as the variable i has only been declared within the for loop. It is not a recognised variable outside the code block of loop.