problem 5.1

gistfile1.java

public class InsertBinary {

  /**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int n = 1089;
		int m = 7;
		int i = 2;
		int j = 5;
		for ( int k = i; k <= j; k++ ) {
			n = clearBit( n, k );
		}
		
		int allOnes = ~ 0;
		int left = allOnes << ( j + 1 );
		int right = ( ( 1 << i ) - 1 );
		int mask = left | right;
		int n_cleared = n & mask;
		int m_shifted = m << i;

		
		//System.out.println( Integer.toBinaryString( n_cleared | m_shifted ) );
		System.out.println( Integer.toBinaryString( n | m ) );
		System.out.println( Integer.toBinaryString( n | ( m << i ) ) );

	}
	
	public static int clearBit( int n, int i ) {
		int mask = ~ ( 1 << i );
		return n & mask;
	}

}