<commit_before>public class Hello {
    private int i = maybe("i") {1, 2, 3};
    private Hello self = maybe("self") {new Hello()};

    public static String getLabel(String label) {
        return "" + label;
    }

    public static void maybeVariable() {
        // DONE: can indentify below.
        // TODO: implement this.
        int b = maybe("b") {10, 2, 3}, c = maybe("c") {3, 2, 1}, d = maybe("d") {4, 5, 6};

        // DONE: implement mechanism
        // TODO: fix bug, maybe expression can't be visitChild
        int a = 1;
        String label = "a";<commit_msg>add test cases in Hello.java<commit_after>public class Hello {
    private int i = maybe("i") {1, 2, 3};
    private Hello self = maybe("self") {new Hello()};

    public static String getLabel(String label) {
        return "" + label;
    }

    public static void maybeVariable() {
        // DONE: can indentify below.
        // TODO: implement this.
        int b = maybe("b") {10, 2, 3}, c = maybe("c") {3, 2, 1}, d = maybe("d") {4, 5, 6}, e = 2;

        // DONE: implement mechanism
        // TODO: fix bug, maybe expression can't be visitChild
        int a = 1;
        String label = "a";
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{'dir': 'git-commits-cleaned', 'id': '1840075', 'n_tokens_mistral': 388, 'n_tokens_neox': 358, 'n_words': 139}