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Converting binary to big endian

 
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Hi All,
I am having a doubt in network byte order. I am writing a socket client wherein I have to append the length of the message packet in four byte binary big endian format. But I have certain doubts in it. If I have a message whose length is 64 for instace, Then when I use "Integer.toBinaryString(64)" , I get 10000000, My doubts are,
1. Do I need to use 10000000 before the message as it is?
2. Do I need to use 00000000 00000000 00000000 10000000 [for 4 bytes].
Is it in big endian by default
3. How can I convert the value to 4 byte binary in big endian byte order

Can anybody give any clue regarding this?

Thanks in advance
Vignesh
 
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