Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÀûÓÃjava Api½âÎöXML

import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
 * Usage: You can get a instance of Document from a string of xml.
 * This class supply some method to read a document.
 *
 */
public class XMLParser {
 /**
  * Get a instance of Document from a string of xml.
  *
  * @param xmlStr
  * @return Document
  */
 public static Document parse(String xmlStr) {
  if (xmlStr == null) {
   return null;
  }
  StringReader reader = new StringReader(xmlStr);
  InputSource source = new InputSource(reader);
  DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder = null;
  try {
   builder = factory.newDocumentBuilder();
   
  } catch (ParserConfigurationException e) {
   e.printStackTrace();
  }
  if(builder == null){
   return null;
  }
  Document doc = null;
  try {
   doc = builder.parse(source);
  } catch (SAXException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  return doc;
 }
 
 /**
  * Get Item Value.
  * @param node
  * @return String
  */
 public static String getItemValue(Node node){
  String value = "";
  if(node == null){
   retur


Ïà¹ØÎĵµ£º

java ÕÒ³ö100ÒÔÄÚµÄËØÊý

 public class FindPrime {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int num = 100;
String s = "100ÒÔÄÚµÄËØÊý£º";
for (int i = 1; i <= num; i++) {
int count = 0;
for (int j = 1; j <= (int) Math.s ......

java ÕÒ³ö4λÊýµÄËùÓÐÎüѪ¹íÊý×Ö

 /**
* ÕÒ³öËÄλÊýËùÓеÄÎüѪ¹íÊý×Ö
* ÎüѪ¹íÊý×Ö£ºÎ»ÊýΪżÊýµÄÊý×Ö¿ÉÒÔÓÉÒ»¶ÔÊý×ÖÏà³Ë¶øµÃ£¬Õâ¶ÔÊý×Ö°üº¬³Ë»ýÒ»°ëµÄλÊý
* È磺1260 = 21*60
*/
public class Vampire {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

String s= ......

javaÖÐthis¹Ø¼ü×ÖÓ÷¨

 /**
* this¹Ø¼ü×ÖÓ÷¨
*/
public class Flower {

int petalCount = 0;
String s = "initial value";

Flower(int petals){
petalCount = petals;
System.out.println("Constructor with one int arg");
}

Flower(String ss){
System.out.println("Constr ......

java»ñÈ¡³ÌÐòµ±Ç°Ä¿Â¼¡£

import java.net.URL;
import java.net.URLDecoder;
public class PathUtil
{
 /**
  * Get the env of windir, such as "C:\WINDOWS".
  * @return the env of windir value.
  */
 public static String getWindir(){
  return System.getenv("windir");
 }
 
......

java.lang.OutOfMemoryError: Java heap space

 
ÎÊÌâÃèÊö
Exception in thread "main" java.lang.OutOfMemoryError:
Java heap space
½â¾ö·½°¸[ת]
Ò»Ö±¶¼ÖªµÀ¿ÉÒÔÉèÖÃjvm heap´óС£¬Ò»Ö±ÓÃeclipseд/µ÷ÊÔjava³ÌÐò¡£Ò»Ö±ÓÃÃüÁîÐÐor
console¼Ó²ÎÊýÅܳÌÐò¡£ÏÖÏó£ºÔÚeclipseµÄÅäÖÃÎļþeclipse.iniÖÐÉèÖÃ-vmargs -Xms500m
-Xmx1024m
£¬ÔÚeclipseÖ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ