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============ the file name: FileTest.java
package test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class FileTest {
public static void main(String[] args) throws IOException, Exception {
long startTime = System.currentTimeMillis();
File f = new File("test");
File[] files = f.listFiles();
FileInputStream fi = null;
File outFile = new File(f.getAbsolutePath().replace("\\", "") + ".txt");
if(!outFile.exists())
outFile.createNewFile();
FileOutputStream fo = new FileOutputStream(outFile);
// StringBuffer sb;
int length = 0;
for(File file: files){
fi = new FileInputStream(file);
length =fi.available();
byte[] content = new byte[length];
fi.read(content);
fo.write(content);
System.out.println("============ the file name: " + file.getName());
System.out.println(new String(content));
}
fi.close();
fo.close();
Thread th = new Thread();
// th.sleep(100);
System.out.println("the threda's name: " + th.getName() + th.getThreadGroup() + " toString: " + th.toString());
// int sum = 0;
// for(int i = 0;i<100000;i++){
// sum +=i;
// }
// System.out.println(sum);
System.out.println(System.currentTimeMillis() - startTime);
}
}
============ the file name: MyApplet.java
============ the file name: NewFile.xml
============ the file name: SendMail.java
package test;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class sendMail
{
public static void main(String args[]) throws Exception
{
String host = "smtp.sina.com.cn";
String from = "javamail@sina.com";
String to = "javamail@china.com";
String username = "javamail";
String password = "password";
// Get system properties
// Properties props = System.getProperties(); 很多例子中是这样的,其实下面这句更好,可以用在applet中
Properties props = new Properties();
// Setup mail server
props.put("mail.smtp.host", host);
props.put("mail.smtp.auth", "true"); // 这样才能通过验证
// Get session
Session session = Session.getDefaultInstance(props);
// watch the mail commands go by to the mail server
session.setDebug(true);
// Define message
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO,
new InternetAddress(to));
message.setSubject("Hello JavaMail");
message.setText("Welcome to JavaMail");
// Send message
message.saveChanges();
Transport transport = session.getTransport("smtp");
transport.connect(host, username, password);
transport.sendMessage(message, message.getAllRecipients());
transport.close();
}
============ the file name: Test.java
package test;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
enum MyColor {
Red, Yellow, Blue , s,fsd,f,dsf,ee,
}
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
MyColor color = MyColor.f;
System.out.println(color);
for (Object mycolor : MyColor.values())
System.out.println(mycolor);
List<String> list = new ArrayList<String>();
List<?> list2 = new ArrayList<String>();
List<Integer> list3 = new ArrayList<Integer>();
list3.add(0);
for (Object integer : list3)
System.out.println(integer.getClass().getName());
// list.add(new Object());
list2.add(null);
for (Object o : list2) {
System.out.println(o);
}
}
}
============ the file name: TestCaseDemo.java
package test;
import java.io.IOException;
import junit.framework.TestCase;
import junit.framework.TestResult;
public class TestCaseDemo extends TestCase {
private int i;
public TestCaseDemo() {
System.out.println("this is the TestCaseDemo instance ... ");
}
public void testRAR() throws IOException {
System.out.println("this is a test ... ");
java.lang.Runtime rt = java.lang.Runtime.getRuntime();
String compress = "D:/doc_c06_net.rar";// rar压缩文件
String decompression = "D:/doc_redcome_com/";// 解压路径
Process p = rt.exec("UNRAR.EXE x -o+ -p- " + compress + " "
+ decompression);
StringBuffer sb = new StringBuffer();
java.io.InputStream fis = p.getInputStream();
int value = 0;
while ((value = fis.read()) != -1) {
sb.append((char) value);
}
fis.close();
String result = new String(sb.toString().getBytes("ISO-8859-1"), "GBK");
System.out.println(result);
}
public void testrar2() throws Exception {
// Str
}
@Override
public TestResult run() {
// TODO Auto-generated method stub
System.out.println(">>>>>>>>>>>>...");
return super.run();
}
@Override
protected void setUp() throws Exception {
// TODO Auto-generated method stub
System.out.println(">>>>>>>>>>>>...");
super.setUp();
}
@Override
public int countTestCases() {
// TODO Auto-generated method stub
return super.countTestCases();
}
@Override
protected TestResult createResult() {
// TODO Auto-generated method stub
return super.createResult();
}
@Override
public String getName() {
return super.getName();
}
@Override
public void run(TestResult arg0) {
// TODO Auto-generated method stub
super.run(arg0);
}
@Override
public void runBare() throws Throwable {
// TODO Auto-generated method stub
super.runBare();
}
@Override
protected void runTest() throws Throwable {
// TODO Auto-generated method stub
super.runTest();
}
@Override
public void setName(String arg0) {
// TODO Auto-generated method stub
super.setName(arg0);
}
@Override
public String toString() {
// TODO Auto-generated method stub
return super.toString();
}
@Override
protected Object clone() throws CloneNotSupportedException {
// TODO Auto-generated method stub
return super.clone();
}
@Override
public boolean equals(Object obj) {
// TODO Auto-generated method stub
return super.equals(obj);
}
@Override
protected void finalize() throws Throwable {
// TODO Auto-generated method stub
super.finalize();
}
@Override
public int hashCode() {
// TODO Auto-generated method stub
return super.hashCode();
}
@Override
protected void tearDown() throws Exception {
// TODO Auto-generated method stub
System.out.println(">>>>>>>>>>>>...");
super.tearDown();
}
}
============ the file name: TestTask.java
/*
* Created on 2007-7-9
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package test;
import java.util.*;
/**
* @author Carlos.Yang
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class TestTask extends TimerTask{
private static int i = 0;
/* (non-Javadoc)
* @see java.lang.Runnable#run()
*/
public void run() {
// TODO Auto-generated method stub
System.out.println("this is a count: " + i++);
}
public static void main(String[] args) {
System.out.println(">>>>>>>>>>>");
}
}
============ the file name: TestTimer.java
/*
* Created on 2007-7-9
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package test;
import java.awt.List;
import java.beans.Beans;
import java.util.ArrayList;
import java.util.Date;
import java.util.Map;
import java.util.Timer;
import static java.lang.System.*;
;
/**
* @author Carlos.Yang
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
public class TestTimer {
static void prtMax(int... nums) {
System.out.println("the ... nums's type: " + nums.getClass().getName());
if (nums.length == 0) {
System.out.println(" no parameter ");
} else {
int maxNum = 0;
for (int num : nums) {
if (num > maxNum) {
maxNum = num;
}
}
System.out.println(maxNum);
}
}
public static void main(String[] args) {
String str = "dd";
int k = 2;
System.out.printf("str===%s k=%d", str, k);
System.out.println();
prtMax(1,99,4);
ArrayList<String> list = new ArrayList<String>();
list.add(new String("111"));
list.add(new String("222"));
list.add(new String("333"));
for (String bean : list) {
out.println("========" + bean);
}
// System.out.println("========start..");
// Timer timer = new Timer();
// TestTask tt = new TestTask();
// timer.schedule(tt,1000,100);
// System.out.println("..........");
//
// List<Intger> list = new Vector<Intger>;
}
}
============ the file name: ZipFloder.java
package test;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
public class ZipFloder {
private static int i;
public static void main(String args[]) throws IOException {
unpack();
}
private static void unpack() throws IOException {
// TODO Auto-generated method stub
String compress = "nutch-0.9.tar.gz";// zip压缩文件
String decompression = "/f1";// 解压路径
java.io.File dir = new java.io.File(decompression);
java.util.zip.ZipFile zf = new java.util.zip.ZipFile(compress);
java.util.Enumeration enumer = zf.entries();
while (enumer.hasMoreElements()) {
java.util.zip.ZipEntry ze = (java.util.zip.ZipEntry) enumer
.nextElement();
String zename = ze.getName();
zename = new String(zename);// 文件名,不支持中文.
System.out.println(zename);
if (ze.isDirectory()) {
java.io.File file = new java.io.File(dir.getAbsolutePath()
+ "/" + zename);
file.mkdirs();
} else {
java.io.File file = new java.io.File(dir.getAbsolutePath()
+ "/" + zename).getParentFile();
if (!file.exists()) {
file.mkdirs();
}
byte zeby[] = new byte[(int) ze.getSize()];
java.io.InputStream is = zf.getInputStream(ze);
is.read(zeby);
is.close();
java.io.FileOutputStream fos = new java.io.FileOutputStream(dir
.getAbsolutePath()
+ "/" + zename);
fos.write(zeby);
fos.close();
}
}
zf.close();
}
private static void pack() throws IOException {
// TODO Auto-generated method stub
String compress = "/f2";// 要压缩的目录
String decompression = "test.rar";// 压缩路径
java.util.zip.ZipOutputStream zos = new java.util.zip.ZipOutputStream(
new java.io.FileOutputStream(new java.io.File(decompression)));
compress(zos, new File(compress));
zos.close();
System.out.println("the files count: " + i);
}
public static void compress(java.util.zip.ZipOutputStream zos,
java.io.File file) throws java.io.IOException {
if (file.isFile()) {
byte by[] = new byte[(int) file.length()];
java.io.FileInputStream is = new java.io.FileInputStream(file);
is.read(by);
is.close();
java.util.zip.ZipEntry ze = new java.util.zip.ZipEntry(file
.getPath());
zos.putNextEntry(ze);
zos.write(by);
zos.closeEntry();
System.out.println(file.getName());
} else if (file.isDirectory()) {
java.io.File files[] = file.listFiles();
if (files != null)
for (File f : files) {
compress(zos, f);
i++;
}
}
}
}
============ the file name: ZipTest.java
package test;
import java.io.*;
import java.util.zip.*;
/**
* @version Version 1.3
*/
public class ZipTest {
public static void main(String[] args) {
try {
BufferedReader in = new BufferedReader(new InputStreamReader(
new FileInputStream("fs/cb/Attribute.java"), "ISO8859_1"));
FileOutputStream f = new FileOutputStream("ziptest" + ".zip");
CheckedOutputStream ch = new CheckedOutputStream(f, new CRC32());
ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(
ch));
int c;
out.putNextEntry(new ZipEntry("fs/cb/Attribute.java"));
while ((c = in.read()) != -1)
out.write(c);
in.close();
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
the threda's name: Thread-0java.lang.ThreadGroup[name=main,maxpri=10] toString: Thread[Thread-0,5,main]
47
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