因此，我目前正在为计算机科学入门课的一项作业做作业，而我只是为作业的基本要素而苦苦挣扎。我想将单词的文本文件加载到单链列表结构中，但似乎无法使它正常工作。
我的教授已经给了一个可以从文件“ WordReader”中读取单词的类，我们必须使用“ readWord（）”函数从文本文件中读取每个单词。但是，我似乎无法在我的主程序中实现它。
代码如下。
**** WordReader类：****
package Assign_2;
import BasicIO.*;
import static java.lang.Character.*;
public class WordReader {
private ASCIIDataFile source; // source of text for reading words
/** The constructor initializes the reader opening an ASCIIDataFile to read
* from. */
public WordReader ( ) {
source = new ASCIIDataFile();;
}; // construtor
/** This method returns true if the underlying data file has reached EOF.
*
* @return boolean true if the file has reached EOF. */
public boolean isEOF ( ) {
return source.isEOF();
}; // isEOF
/** This method returns the next word (string of alphabetic characters) in the
* data file. If the end of file is reached, a subsequent call to isEOF will
* return true and the result of readWord is undefined. */
public String readWord ( ) {
String result; // next word read
char c; // next character in input
result = "";
for ( ; ; ) { // skip to alphabetic
c = source.readC();
if ( source.isEOF() || isLetter(c) ) break;
};
while ( !source.isEOF() && isLetter(c) ) {
result = result + c;
c = source.readC();
};
return result;
}; // readWord
/** This method closes the WordReader */
public void close ( ) {
source.close();
}; // close
} // WordRerader
节点类
package Assign_2;
class Node {
String item; // the words
Node next; // next node
Node ( String c, Node n ) {
item = c;
next = n;
}; // constructor
} //Node
主要班级
package Assign_2;
import BasicIO.*;
public class Assign_2 {
private Node list; // list of all unique words
private ASCIIDisplayer display; //display of list
public Assign_2 () {
display = new ASCIIDisplayer();
list = null;
}; // Constructor
private void loadWords () {
ASCIIDataFile story; //file of Alice's story
String text;
String word;
story = new ASCIIDataFile();
for ( ; ; ) {
text = new String (story);
if ( story.isEOF() ) break;
word = WordReader.readWord();
};
}; //loadWords
private void Buildlist( String word ) {
Node p;
Node q;
p = list;
q = null;
while ( p != null ) {
q = p;
p = p.next;
};
if (q == null) {
list = new Node (word, null); //only for first word
}
else {
q.next = new Node (word, null); //for adding remaining words
};
} // Buildlist
public static void main ( String[] args ) { Assign_2 c = new Assign_2(); };
}