package org.egordorichev.lasttry.item;

public class ItemID {
	public final static int dirtBlock = 1;
	public final static int dirtWall = 2;
	public final static int grassBlock = 3;
}

package org.egordorichev.lasttry.item;

public class ItemID {
	public final static int none = 0;
	public final static int dirtBlock = 1;
	public final static int dirtWall = 2;
	public final static int grassBlock = 3;
}

Update ItemID.java