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Java Programming · Q95

Miscellaneous Java

Programming · Java Programming · question 95

Q95

What will be the output of the following Java program? class Output static void main(String args[]) int x , y = 1; x = 10; if(x != 10 && x / 0 == 0) System.out.println(y); else System.out.println(++y);

A.
1
B.
2
C.
Runtime Error
D.
Compilation Error
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
This Java program defines a class named "Output" with a main method. Inside the main method, it declares two integer variables, x and y, and initializes y to 1. Then, it assigns the value 10 to x.

In the if statement, the condition x != 10 && x / 0 == 0 is evaluated. Since x is indeed equal to 10, the first part of the condition, x != 10, evaluates to false.

However, Java short-circuits the logical AND operator (&&), meaning if the left operand is false, the right operand is not evaluated. Thus, x / 0 == 0 is not executed because of the short-circuiting behavior.

Therefore, the else block is executed, which increments the value of y by 1 using the pre-increment operator (++y).

So, the output of the program will be 2.

Therefore, the correct answer is Option B: 2.