gistfile1.java

public class DeleteMiddleNode {

    public static void main( String[] args ) {
		LinkNode a = new LinkNode ( 5 );
		LinkNode b = new LinkNode ( 10 );
		LinkNode c = new LinkNode ( 9 );
		LinkNode d = new LinkNode ( 4 );
		LinkNode e = new LinkNode ( 7 );

		a.setNext( b );
		b.setNext( c );
		c.setNext( d );
		d.setNext( e );
		printLinkedList( a );

		DeleteNode( c );
		printLinkedList( a );
	}

	public static void printLinkedList( LinkNode head ) {
                while ( head != null ) {
                        System.out.print( head.getValue() );
                        System.out.print( "->" );
                        head = head.getNext();
                }

                System.out.println( "null" );

        }

	public static void DeleteNode( LinkNode n ) {
		n.setValue( n.getNext().getValue() );
		n.setNext( n.getNext().getNext() );
	}
}

gistfile2.java

public class LinkNode {

    private int value;
	private LinkNode next;

	public LinkNode( int val ) {
		this.value = val;
		this.next = null;
	}

	public int getValue() {
		return value;
	}

	public void setValue( int value ) {
		this.value = value;
	}

	public LinkNode getNext() {
		return next;
	}

	public void setNext( LinkNode n ) {
		this.next = n;
	}

	public void append( LinkNode n ) {
		LinkNode currNode = this;
		while ( currNode.next != null ) {
			currNode = currNode.next;
		}
		currNode.next = n;
	}

}