Is there any way to do this on a mac? Obviously us mac heads don't run dos ;) so I just was wanting to find out. Thanks!

Here's a challenge for you:

Help me get the image files (either cubic or equirectangular) from this page:

http://www.travel-to-naxos.com/360.php?viewid=108

I want it purely because I collect 360 QTVR files of ancient Greek sites. I don't want to make money from it, or publish it in any way...I just want to be able to look at it as a QTVR file whenever I want to (I can handle the image to qtvr conversion).

Thanks!

I just tested the steps shown in Part 1 of this article using a browser, and it works for me. It's just like looking at the css files from another site, you just figure out the url to the css files, and put that in the browser, or use wget.

Really, I think most Unix users probably use 'wget' or 'lynx' to download resources like this.

I haven't done this in a long time now, but I just searched around and found these following Java decompiler resources, which seem relatively recent:

• Java Decompiler (says it works with Java5 byte code)
• JadClipse (probably doesn't work with any byte code after Java 1.3, as it's based on JAD, but I don't see that stated anywhere)
• JReversePro (also doesn't mention byte code version support)

My guess is that first link will be your best shot. For a while Jad was the best decompiler around, but support for it stopped at JDK 1.3.

Also, it's important to know that if a .class file (a) wasn't created with debugging on, or (b) the byte code was obfuscated, the results you see won't be of much help. I think "debugging on" used to be the default, because I remember you could make your class files smaller by turning it off, but I don't know what the default is these days.

Finally, you can probably see some of this information in Eclipse, and you should be able to get to a point where you can see the same information you can about SDK classes (without installing the SDK source), but again, that information is limited.

i want to decompiler java source file without any software.

OK thanks for Suggetion....

If you want to try something using just the Java SDK, you can run the javap command to disassemble the class. For instance, if you have a compiled class named JavaStringToInt.class, you can run the following command to disassemble that class:

javap JavaStringToInt

For my simple class, this results in the following output:

Compiled from "JavaStringToInt.java"
public class JavaStringToInt extends java.lang.Object{
    public JavaStringToInt();
    public static void main(java.lang.String[]);
}

That's nice in that it shows you the public signature of the class.

If you really want to dig deeper, you can add the -c option to javap, like this:

javap -c JavaStringToInt

which results in this output:

Compiled from "JavaStringToInt.java"
public class JavaStringToInt extends java.lang.Object{
public JavaStringToInt();
  Code:
   0:	aload_0
   1:	invokespecial	#1; //Method java/lang/Object."<init>":()V
   4:	return

public static void main(java.lang.String[]);
  Code:
   0:	ldc	#2; //String 100
   2:	astore_1
   3:	aload_1
   4:	invokevirtual	#3; //Method java/lang/String.trim:()Ljava/lang/String;
   7:	invokestatic	#4; //Method java/lang/Integer.parseInt:(Ljava/lang/String;)I
   10:	istore_2
   11:	getstatic	#5; //Field java/lang/System.out:Ljava/io/PrintStream;
   14:	new	#6; //class java/lang/StringBuilder
   17:	dup
   18:	invokespecial	#7; //Method java/lang/StringBuilder."<init>":()V
   21:	ldc	#8; //String int i = 
   23:	invokevirtual	#9; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
   26:	iload_2
   27:	invokevirtual	#10; //Method java/lang/StringBuilder.append:(I)Ljava/lang/StringBuilder;
   30:	invokevirtual	#11; //Method java/lang/StringBuilder.toString:()Ljava/lang/String;
   33:	invokevirtual	#12; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
   36:	goto	68
   39:	astore_2
   40:	getstatic	#5; //Field java/lang/System.out:Ljava/io/PrintStream;
   43:	new	#6; //class java/lang/StringBuilder
   46:	dup
   47:	invokespecial	#7; //Method java/lang/StringBuilder."<init>":()V
   50:	ldc	#14; //String NumberFormatException: 
   52:	invokevirtual	#9; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
   55:	aload_2
   56:	invokevirtual	#15; //Method java/lang/NumberFormatException.getMessage:()Ljava/lang/String;
   59:	invokevirtual	#9; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
   62:	invokevirtual	#11; //Method java/lang/StringBuilder.toString:()Ljava/lang/String;
   65:	invokevirtual	#12; //Method java/io/PrintStream.println:(Ljava/lang/String;)V
   68:	return
  Exception table:
   from   to  target type
     3    36    39   Class java/lang/NumberFormatException
}

There are other options you can use with the javap command, which you can see when you run javap -help:

$ javap -help

Usage: javap <options> <classes>...

where options include:
   -c                        Disassemble the code
   -classpath <pathlist>     Specify where to find user class files
   -extdirs <dirs>           Override location of installed extensions
   -help                     Print this usage message
   -J<flag>                  Pass <flag> directly to the runtime system
   -l                        Print line number and local variable tables
   -public                   Show only public classes and members
   -protected                Show protected/public classes and members
   -package                  Show package/protected/public classes
                             and members (default)
   -private                  Show all classes and members
   -s                        Print internal type signatures
   -bootclasspath <pathlist> Override location of class files loaded
                             by the bootstrap class loader
   -verbose                  Print stack size, number of locals and args for methods
                             If verifying, print reasons for failure

Finally, out of curiosity, I just tried to look at this same class file from within Eclipse, and the information it shows is the same as the javap -c command shown above.