If the keyboard input is 15, what is the value of score after this code executes? Scanner sc = new Scanner(System.in); int score = 80; System.out.print("Enter a score value: "); int input = sc.nextInt(); if (input = 10 && input

Question

If the keyboard input is 15, what is the value of score after this code executes?

Scanner sc = new Scanner(System.in);

int score = 80;

System.out.print("Enter a score value: ");
int input = sc.nextInt();

if (input < 10) {
    score = 50;
} else if (input >= 10 && input <= 20) {
    score = 60;
} else {
    score = 70;
}

score = score + 5;

System.out.println("Final Score: 	" + score);

BlackTom AI · Accepted Answer

1) Relevant concepts: - Conditional (if/else if/else) flow and boolean comparisons (input < 10, input >= 10 && input <= 20). - Variable assignment and update: initial value can be overwritten by assignments inside branches. - Arithmetic update: score = score + 5 adds 5 to the current score. 2) Step-by-step reasoning: - The program sets int score = 80 initially. - The keyboard input is read into int input via sc.nextInt(); here input = 15. - The first condition if (input < 10) is evaluated: 15 < 10 is false, so that branch is skipped. - The else if (input >= 10 && input <= 20) is evaluated next: 15 >= 10 is true and 15 <= 20 is true, so the combined condition is true. Therefore the statements inside this else-if execute: score = 60. The else branch is skipped. 3) Intermediate calculations and assignments: - Initial: score = 80 - After condition chosen: score = 60 (because input 15 satisfies 10 <= input <= 20) - Then the line score = score + 5 runs: score becomes 60 + 5 = 65. 4) Why the correct answer is correct: - The else-if branch that sets score to 60 is taken for input 15. The subsequent unconditional increment adds 5, producing the final value 65. The initial value 80 is irrelevant once overwritten by score = 60. 5) Why the other options are incorrect: - 60: This is the value immediately after the conditional branch, but the program then adds 5, so the final printed value is not 60. - 50: Would occur only if input < 10 (first if branch); input 15 does not satisfy that. - 70: Would occur only in the else branch when input > 20; input 15 does not satisfy that. 6) Conclusion: The final printed score is 65, matching the provided correct answer "65".

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