uminusnode.java

用JAVA写的数据采集程序。 里面有作者的全文。

/*
// header - edit "Data/yourJavaHeader" to customize
// contents - edit "EventHandlers/Java file/onCreate" to customize
//
*/
package datascan.parser.node;

public class UMinusNode implements Node
{
	private Node child;
	
//	-------------------------------------------------------
	public UMinusNode(Node child_in)
	{
		child = child_in;
	}
	
//	-------------------------------------------------------
	public double getValue()
	{
		return -(child.getValue());
	}
}