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  1.  
  2. class Main
  3. {
  4.   public static void main (String[] args) throws java.lang.Exception
  5.   {
  6. byte b1 = (byte) -129;
  7. String s1 = String.format("%8s", Integer.toBinaryString(b1 & 0xFF)).replace(' ', '0');
  8. System.out.println(s1); // 10000001
  9.  
  10. byte b2 = (byte) 2;
  11. String s2 = String.format("%8s", Integer.toBinaryString(b2 & 0xFF)).replace(' ', '0');
  12. System.out.println(s2); // 00000010
  13.   }
  14. }
Success #stdin #stdout 0.11s 54000KB
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stdin
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Standard input is empty
stdout
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01111111
00000010
https://ideone.com/M06PcU
language:
Java (HotSpot 12)
created:
7 days ago
visibility:
public

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