package btp.oneP;

import java.util.BitSet;

import java.util.Random;

public class Bits {

public static void printBitSet(BitSet b){

System.out.println("bits: "+b);

StringBuilder bbits = new StringBuilder();

for(int j = 0;j < b.size();j++){

bbits.append(b.get(j)?"1":"0");

}

System.out.println("bit pattern: "+bbits);

}

public static void main(String[] args) {

// TODO Auto-generated method stub

Random rand = new Random(47);

byte bt = (byte)rand.nextInt();

BitSet bb = new BitSet();

for(int i = 7;i>=0;i--){

if(((1 << i)&bt) != 0){

bb.set(i);

}else{

bb.clear(i);

}

}

System.out.println("byte value: "+bt);

printBitSet(bb);

short st = (short)rand.nextInt();

BitSet bs = new BitSet();

for(int i = 15;i>=0;i--){

if(((1 << i)&st) != 0){

bs.set(i);

}else{

bs.clear(i);

}

}

System.out.println("short value: "+st);

printBitSet(bs);

int it = rand.nextInt();

BitSet bi = new BitSet();

for(int i = 31;i>=0;i--){

if(((1 << i)&bt) != 0){

bi.set(i);

}else{

bi.clear(i);

}

}

System.out.println("int value: "+it);

printBitSet(bi);

BitSet b127 = new BitSet();

b127.set(127);

System.out.println("set bit 127: "+b127);

BitSet b255 = new BitSet(65);

b255.set(255);

System.out.println("set bit 255: "+b255);

BitSet b1023 = new BitSet(512);

b1023.set(1023);

b1023.set(1024);

System.out.println("set bit 1023: "+b1023);

}

}