如何將樹的XML解析爲字符串？

Question

Tree tree = sentence.get(TreeAnnotation.class); 

我想獲得一個字符串的解析樹的XML表示。我該怎麼做？

Answer 1

字符串s包含語法樹」

import java.io.StringWriter; 
import java.io.PrintWriter; 

StringWriter stringWriter = new StringWriter(); 
PrintWriter writer = new PrintWriter(stringWriter); 
tree.indentedXMLPrint(writer, false); 
String s = stringWriter.toString() 

的XML輸出