Source code
public class Main {
public static void main(String[] args) {
int bottles = 99;
String word = "bottles";
while (bottles > 0) {
if (bottles == 1) {
word = "bottle";
}
System.out.println(bottles + " " + word + " of beer on the wall, " + bottles + " " + word + " of beer.");
bottles--;
if (bottles == 1) {
word = "bottle";
}
if (bottles == 0) {
System.out.println("Take one down and pass it around, no more bottles of beer on the wall.");
} else {
System.out.println("Take one down and pass it around, " + bottles + " " + word + " of beer on the wall.");
}
}
System.out.println("No more bottles of beer on the wall, no more bottles of beer.");
System.out.println("Go to the store and buy some more, 99 bottles of beer on the wall.");
}
}
Run 1
The code is generally readable, with clear variable names ('bottles', 'word') and a logical while-loop structure for the 99 Bottles song. Nesting is minimal, with only two if-conditions inside the loop. Action granularity is mostly one statement per line, and reading flow is natural. However, there are minor issues: the pluralization logic is repeated and slightly scattered (the word 'bottle' is updated twice), which slightly harms clarity of intent. The code length is concise but could be slightly reduced by simplifying the singular/plural handling. Overall, it is easy to follow, but small improvements could make the intent clearer.
Run 2
The code is logically structured and relatively flat, with only one nested if inside a while loop. The intent, printing the '99 Bottles of Beer' song, is clear. Action granularity is good, with one main action per line. However, the reading flow is slightly disrupted by duplicated pluralization logic. The word 'bottle' is set twice, and the final verse is hardcoded outside the loop, making the transition slightly abrupt. While concise for the task, minor refactoring could improve clarity.
Run 3
The code is logical and straightforward, implementing the classic '99 Bottles of Beer' song. It uses a single while loop with minimal nesting, maintaining a flat structure. Each action is generally on its own line, and the intent of printing lyrics is clear. The variable 'word' is updated appropriately for singular/plural handling. However, the flow has minor inefficiencies: the singular 'bottle' check is duplicated before and after decrementing, and the final message is hardcoded after the loop, slightly breaking the natural reading flow. The code is concise for its purpose, but could be more elegant with a helper method for the pluralization logic. Overall, it is highly readable, though not exemplary due to repetitive conditionals.
Run 1
Code Structure: Logically organized into initialization, a countdown loop, and closing verses. Nesting: Shallow and manageable, with simple conditionals inside one loop. Clarity of intent: Descriptive variables and explicit output make the beer-song countdown clear, though maintaining singular/plural wording through mutable state adds minor complexity. Code length: Concise overall, but the repeated bottles == 1 check is redundant. Action granularity: Each statement performs one clear action. Reading flow: Natural top-to-bottom progression mirrors the song; long string-concatenation lines slightly hinder scanning.
Run 2
Code Structure: A single method logically groups initialization, verse generation, and the closing lines. Nesting: Shallow loop and conditional nesting is easy to follow. Clarity of intent: Descriptive variables and explicit lyrics clearly convey the purpose, although updating the singular word in two places adds redundant state management. Code length: Appropriately concise overall, but the repeated singularization check could be simplified. Action granularity: Each statement performs one clear action; long string-concatenation expressions slightly reduce readability. Reading flow: The countdown and output follow the song naturally, with consistent formatting and straightforward control flow.
Run 3
Code Structure: A single method with a straightforward loop and final output is logically organized. Nesting: Conditionals inside the loop introduce only moderate nesting. Clarity of intent: Descriptive variables and recognizable song lyrics make the purpose clear, although maintaining the singular/plural word as mutable state adds slight complexity. Code length: Generally concise, but the repeated singular-case check is redundant. Action granularity: Each statement performs one clear action on its own line. Reading flow: The sequence naturally follows printing a verse, decrementing the count, and printing the next line; however, long concatenated output statements and the duplicated word update slightly interrupt readability.