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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		long test = 123456789;
  13. 		Byte[] writeBuffer =  new Byte[8];
  14. 		writeBuffer[0] = (byte)(test >>> 56);
  15. 		writeBuffer[1] = (byte)(test >>> 48);
  16. 		writeBuffer[2] = (byte)(test >>> 40);
  17. 		writeBuffer[3] = (byte)(test >>> 32);
  18. 		writeBuffer[4] = (byte)(test >>> 24);
  19. 		writeBuffer[5] = (byte)(test >>> 16);
  20. 		writeBuffer[6] = (byte)(test >>>  8);
  21. 		writeBuffer[7] = (byte)(test >>>  0);
  22.  
  23. 		System.out.println("Buf-0:" + writeBuffer[0]);
  24. 		System.out.println("Buf-1:" + writeBuffer[1]);
  25. 		System.out.println("Buf-2:" + writeBuffer[2]);
  26. 		System.out.println("Buf-3:" + writeBuffer[3]);
  27. 		System.out.println("Buf-4:" + writeBuffer[4]);
  28. 		System.out.println("Buf-5:" + writeBuffer[5]);
  29. 		System.out.println("Buf-6:" + writeBuffer[6]);
  30. 		System.out.println("Buf-7:" + writeBuffer[7]);
  31.  
  32. 		System.out.println((writeBuffer[0] << 56) +
  33. 					((writeBuffer[1] & 255) << 48) +
  34. 	               ((writeBuffer[2] & 255) << 40) +
  35. 	               ((writeBuffer[3] & 255) << 32) +
  36. 	               ((writeBuffer[4] & 255) << 24) +
  37. 	               ((writeBuffer[5] & 255) << 16) +
  38. 	               ((writeBuffer[6] & 255) <<  8) +
  39. 	               ((writeBuffer[7] & 255) <<  0));
  40. 	    //System.out.println((writeBuffer[0] << 56));
  41. 	    //System.out.println(((writeBuffer[1] & 255) << 48));
  42. 	    //System.out.println(((writeBuffer[2] & 255) << 40));
  43. 	    //System.out.println(((writeBuffer[3] & 255) << 32));
  44. 	    //System.out.println(((writeBuffer[4] & 255) << 24));
  45. 	    //System.out.println(((writeBuffer[5] & 255) << 16));
  46. 	    //System.out.println(((writeBuffer[6] & 255) <<  8));
  47. 	    //System.out.println(((writeBuffer[7] & 255) <<  0));
  48. 	}
  49. }
Success #stdin #stdout 0.07s 380160KB
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stdin
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Standard input is empty
stdout
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Buf-0:0
Buf-1:0
Buf-2:0
Buf-3:0
Buf-4:7
Buf-5:91
Buf-6:-51
Buf-7:21
123456789
https://ideone.com/qsVKkx
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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