Rust MCQs with answers Page - 34

Here, you will find a collection of MCQ questions on Rust. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

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Q. What is the output of this code?

Code:
fn main() {
    let x = 10;
    let y = &x;
    println!("{}", y);
}
  • (A) 10
  • (B) &10
  • (C) Compilation error
  • (D) Memory address

A

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Q. Which of the following is true about Rust's memory management?

  • (A) Uses garbage collection
  • (B) Manual memory allocation
  • (C) Ownership and borrowing
  • (D) Reference counting only

A

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Q. What is the output of this code?

Code:
fn main() {
    let mut x = 5;
    x += 1;
    println!("{}", x);
}
  • (A) 5
  • (B) 6
  • (C) Compilation error
  • (D) Undefined