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 import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.print.Doc;
import javax.print.DocFlavor;
import javax.print.DocPrintJob;
import javax.print.SimpleDoc;
import javax.print.StreamPrintService;
import javax.print.StreamPrintServiceFactory;
import javax.print.event.PrintJobAdapter;
import javax.print.event.PrintJobEvent;
public class Main {
  public static void main(String[] args) throws Exception{
    InputStream is = new BufferedInputStream(new FileInputStream("filename.gif"));
    OutputStream fos = new BufferedOutputStream(new FileOutputStream("filename.ps"));
    DocFlavor flavor = DocFlavor.INPUT_STREAM.GIF;
    StreamPrintServiceFactory[] factories = StreamPrintServiceFactory
        .lookupStreamPrintServiceFactories(flavor, DocFlavor.BYTE_ARRAY.POSTSCRIPT.getMimeType());
    if (factories.length > 0) {
      StreamPrintService service = factories[0].getPrintService(fos);
      DocPrintJob job = service.createPrintJob();
      Doc doc = new SimpleDoc(is, flavor, null);
      PrintJobWatcher pjDone = new PrintJobWatcher(job);
      job.print(doc, null);
      pjDone.waitForDone();
    }
    is.close();
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  2      try    {
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//Example 1 Tst.java£¬no main() method
package com.blogchina.qb2049;
public class Tst
{
static { System.out.println("111111"); }
}
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Exception in thread "main" java.lang.NoSuchMethodError: main
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1  JDK5.0°üÀ¨µÄµ÷ÊÔ¹¤¾ß
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