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try   {
InetAddress   address   =   InetAddress.getLocalHost();
System.out.println(address.getHostAddress());
String   name   =   address.getHostName();
System.out.println(name);
InetAddress[]   addresses   =   InetAddress.getAllByName(name);
for(int   i=0;i <addresses.length;i++)
System.out.println(addresses[i].getHostAddress());
}
catch(UnknownHostException   uhe)   {
System.err.println( "Unable   to   find   IP ");
}
}
try   {
InetAddress   address   =   InetAddress.getLocalHost();
System.out.println(address.getHostAddress());
String   name   =   address.getHostName();
System.out.println(name);
InetAddress[]   addresses   =   InetAddress.getAllByName(name);
for(int   i=0;i <addresses.length;i++)
System.out.println(addresses[i].getHostAddress());
}
catch(UnknownHostException   uhe)   {
System.err.println( "Unable   to   find   IP ");
}
}
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public void sort(int[] array) {
  for(int i=0; i<array.length; i++) {
    boolean flag = true;
    for(int j=0; j<array.length-i-1; j++) {
      if(array[j]>array[j+1]) {
        int tmp = ar ......

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StringBuilder path = new StringBuilder(request.getScheme());
  path.append("://").append(request.getServerName());
  path.append(":").append(request.getServerPort()).append(request.getContextPath());
  System.out.println("***********path:" + path);
  Syste ......

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Upload.uploadFile(theFile, filePath)
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filePath£ºactionÖз¾¶»ñÈ¡·½·¨    this.getServlet().getServletContext().getRealPath("/")
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