Method exists

src/org/opensourcephysics/tools/LaunchNode.java:1152–1154

Determines whether a resource exists for this node. @return true if a resource exists

()

	 * @return true if a resource exists
	 */
	public boolean exists() {
		return (getResource() != null);
	}

	/**
	 * Return an existing file with current file name and specified base. May return