/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{ // https://ru.stackoverflow.com/questions/717403/%D0%BA%D0%B0%D0%BA-%D0%B7%D0%B0%D0%BD%D1%83%D0%BB%D0%B8%D1%82%D1%8C-%D0%BF%D0%B5%D1%80%D0%B2%D1%8B%D0%B5-4-%D0%B1%D0%B8%D1%82%D0%B0-%D0%B2-%D0%B1%D0%B0%D0%B9%D1%82%D0%B5-%D0%BD%D0%B0-java
      byte b = 0b0110_0010;
      System.out.println(bin(b));
      b &= 0b0000_1111;
      System.out.println(bin(b));
	}
   static String bin(byte b) {
     return Integer.toBinaryString((b & 0xFF) + 0x100).substring(1);
  }
}

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