Java 二进制搜索输出问题?

Java 二进制搜索输出问题?,java,search,binary,Java,Search,Binary,这是我第一次使用二进制搜索,因此我遇到了一个小问题(希望如此!)首先,程序允许用户键入一个随机数,如果该数字与任何书籍匹配,它将输出标题 class b { String book1, book2; b () { book1 = "Wicked Awesome Title"; book2 = "How to Read a Book"; public static Book getBook(Book [] A, int left

这是我第一次使用二进制搜索,因此我遇到了一个小问题(希望如此!)首先,程序允许用户键入一个随机数,如果该数字与任何书籍匹配,它将输出标题

class b {

    String book1, book2;

    b () {
        book1 = "Wicked Awesome Title";
        book2 = "How to Read a Book";

        public static Book getBook(Book [] A, int left, int right, String bookTitle) {
            int middle;
            Book found = null;

            /**Your average Joe binary search...*/
            while (found == null && left <= right) {
                //If middle item == 0, returns true
                middle = (left + right)/2;
                int compare = A[middle].sameTitle(bookTitle);
                if (compare == 0) {
                    found = A[middle];
                } else {
                    if (compare >0) {
                        right = middle -1;
                    } else {
                        left = middle + 1;
                    }
                }
            }
            return found;
        }

那么,我错过了什么才能让这一切顺利呢?有什么想法吗?

您的
getBook
函数声明为:

public static Book getBook(Book [] A, int left, int right, String bookTitle) {
当您尝试仅使用两个字符串参数调用它时:

Book b = getBook(book1, book2);
若要调用函数,则必须使用预期参数调用它

另外,不确定是否相关,但构造函数末尾缺少
}

顺便说一句,添加您得到的错误将帮助我们帮助您

Book b = getBook(book1, book2);