Operators & Expressions MCQs

Topic-wise practice questions for Programming (C++ / Java / Python). Test your knowledge, check solutions on demand, and pace your preparation.

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Q1easy

What does performing a Bitwise Left Shift (<<) by 2 positions do to an integer?

Q2medium

Trace this code snippet:


int x = 5;
if (x = 0) {
    print("Zero");
} else {
    print("Non-Zero");
}

In C/C++, what is the output?

Q3easy

Trace the value of val:


int val = 8;
val >>= 2;

Q4easy

Which operator has the lowest precedence in most programming languages?

Q5easy

Trace the value of x and y:


int x = 10;
int y = x++;

Q6easy

Trace the value of ans:


int ans = 10 % 3 + 4 << 1;

Q7medium

What will be printed?


int x = 10;
int y = 20;
print(x > 5 && y < 15 ? "Alpha" : "Beta");

Q8medium

A developer needs to swap two integers a and b without using a third temporary variable. Which bitwise operator can achieve this?

Q9easy

Evaluate the expression: 10 + 5 * 2 == 20

Q10easy

Trace the output:


int i = 5;
int j = ++i + i++;
print(j);