/* ITI 1121/1521. Introduction to Computer Science II
 * Assignment/Devoir 3
 *
 *
 */

public class A5Q4 {

    public static void main( String[] args ) {

        StudentInfo.display();

        LinkedList<Integer> l1;
        l1 = new LinkedList<Integer>();

        l1.add( new Integer( -1 ) );

        for ( int i=1; i<5; i++ ) {
            l1.add( new Integer( i ) );
        }

        l1.add( new Integer( -1 ) );

        for ( int i=6; i<10; i++ ) {
            l1.add( new Integer( i ) );
        }

        l1.add( new Integer( -1 ) );

        System.out.println( "before l1 = " + l1 );

        int num = l1.findAndReplace( new Integer( -1 ), new Integer( 100 ) );

        System.out.println( "num = " + num );

        System.out.println( "after l1 = " + l1 );

        System.out.println();
    }
}

// > java A5Q4
//
// ************************************************************
// *                                                          *
// *                                                          *
// *                                                          *
// *                                                          *
// ************************************************************
// 
// before l1 = [-1,1,2,3,4,-1,6,7,8,9,-1]
// num = 3
// after l1 = [100,1,2,3,4,100,6,7,8,9,100]