data-structures-in-java/src/ds_002_linkedlists/DCell.java at master · ankitcdry1612/data-structures-in-java · GitHub

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package ds_002_linkedlists;

public class DCell {

	public int value;
	public DCell prev;
	public DCell next;

	public DCell(){
		value = Integer.MIN_VALUE;
		prev = null;
		next = null;
	}

	public DCell(int value) {
		this.value = value;
	}

	public void addAfter(DCell newCell) {
		newCell.next = this.next;
		newCell.prev = this;

		this.next = newCell;
		newCell.next.prev = newCell;
	}

	public void addBefore(DCell newCell) {
		// a --- b
		// a --- nC --- b
		newCell.next = this;
		newCell.prev = this.prev;

		this.prev.next = newCell;
		this.prev = newCell;
	}

	public void remove() {
		this.prev.next = this.next;
		this.next.prev = this.prev;
	}

}