/** Generate the number of words requested. */
@Override
public String generateText(int numWords) {
// TODO: Implement this method
if (wordList.size() == 0) {
return "";
}
String text = "";
String current = starter;
for (int i = 0; i < numWords; i++) {
ListNode curnode = findNode(current);
if (curnode == null) {
curnode = findNode(starter);
}
String nexttext = curnode.getRandomNextWord(rnGenerator);
text = text + nexttext + " ";
current = nexttext;
}
return text;
}
/*
The goal of Markov Text Generation is to be able to generate text which resembles the source in a reasonable way.
The method generateText returns such text as a String of words, the length of which is determined by numWords.
*/
@Override
public String generateText(int numWords) {
// TODO: Implement this method
if (numWords < 0) {
throw new IllegalArgumentException("Illegal Argument");
}
if (numWords == 0) {
return "";
}
StringBuilder sb = new StringBuilder();
String crtWord = starter;
sb.append(crtWord + " ");
numWords--; // 先减去starter word占据的一个
while (numWords-- > 0) {
ListNode node = isExist(crtWord, wordList);
String next = node.getRandomNextWord(rnGenerator);
sb.append(next + " ");
crtWord = next;
}
return sb.toString();
}