Examples of java.util.BitSet.clear()

java.util.BitSet.clear()
Sets the bit specified by the index to false. @param bitIndex the index of the bit to be cleared. @exception IndexOutOfBoundsException if the specified index is negative. @since JDK1.0

          idx = random().nextInt(sz);
          a.set(idx);
          b.set(idx);
          
          idx = random().nextInt(sz);
          a.clear(idx);
          b.clear(idx);
          
          idx = random().nextInt(sz);
          a.flip(idx);
          b.flip(idx, idx+1);

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      BitSet aa = (BitSet)a.clone(); aa.flip(fromIndex,toIndex);
      LongBitSet bb = b.clone(); bb.flip(fromIndex,toIndex);


      fromIndex = random().nextInt(sz/2);
      toIndex = fromIndex + random().nextInt(sz - fromIndex);
      aa = (BitSet)a.clone(); aa.clear(fromIndex,toIndex);
      bb = b.clone(); bb.clear(fromIndex,toIndex);


      doNextSetBit(aa,bb); // a problem here is from clear() or nextSetBit
      
      doPrevSetBit(aa,bb);

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          idx = random().nextInt(sz);
          a.set(idx);
          b.set(idx);
          
          idx = random().nextInt(sz);
          a.clear(idx);
          b.clear(idx);
          
          idx = random().nextInt(sz);
          a.flip(idx);
          b.flip(idx, idx+1);

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      doIterate(aa,bb, mode);   // a problem here is from flip or doIterate


      fromIndex = random().nextInt(sz/2);
      toIndex = fromIndex + random().nextInt(sz - fromIndex);
      aa = (BitSet)a.clone(); aa.clear(fromIndex,toIndex);
      bb = b.clone(); bb.clear(fromIndex,toIndex);


      doNextSetBit(aa,bb); // a problem here is from clear() or nextSetBit
      
      doPrevSetBit(aa,bb);

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    assertToIterBitSet("", bitSet);
    bitSet.set(0);
    assertToIterBitSet("0", bitSet);
    bitSet.set(1);
    assertToIterBitSet("0, 1", bitSet);
    bitSet.clear();
    bitSet.set(10);
    assertToIterBitSet("10", bitSet);
  }


  /**

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    }


    BitSet decrement( BitSet id, int d ) {
        BitSet x = new BitSet( id.length() );
        x.or( id );
        x.clear(d);
        return x;
    }


    BitSet singleBitDiff( BitSet x, BitSet y ) {
        BitSet t = new BitSet( x.length() );

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    BitSet prevKey( BitSet key ) {
        BitSet b = new BitSet( key.length() );
        b.or( key );
        int x = key.nextSetBit( 0 );
        if ( x == 0 ) {
            b.clear( 0 );
        } else {
            b.set( 0, x, true );
            b.clear( x );
        }
        return b;

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        int x = key.nextSetBit( 0 );
        if ( x == 0 ) {
            b.clear( 0 );
        } else {
            b.set( 0, x, true );
            b.clear( x );
        }
        return b;
    }

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    }


    BitSet decrement( BitSet id, int d ) {
        BitSet x = new BitSet();
        x.or( id );
        x.clear(d);
        return x;
    }


    BitSet singleBitDiff( BitSet x, BitSet y ) {
        BitSet t = new BitSet();

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    BitSet prevKey( BitSet key ) {
        BitSet b = new BitSet();
        b.or( key );
        int x = key.nextSetBit( 0 );
        if ( x == 0 ) {
            b.clear( 0 );
        } else {
            b.set( 0, x, true );
            b.clear( x );
        }
        return b;

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