expression.java

实验软装置（基于表达式的计算器ExprEval） 很不错的 有帮助于学习提高

package scanner;

public class Expression extends Symbol{

	/**
	 * value of expression
	 */
	double value;
	/**
	 * max value of expression
	 */
	double max;
	/**
	 * min value of expression
	 */
	double min;
	/**
	 * type of expression
	 */
	int type;
	/**
	 * constructor
	 * @param name name of expression
	 * @param Value value of expression
	 * @param Max max value of expression
	 * @param Min min value of expression
	 * @param Type type of expression
	 */
	public Expression(String name,double Value,double Max,double Min,int Type)
	{
		super(name);
		value=Value;
		max=Max;
		min=Min;
		type=Type;
	}
	
	/**
	 * get value of expression
	 * @return
	 */
	public double getValue()
	{
		return value;
		
	}
	/**
	 * get max of expression
	 * @return
	 */
	public double getMax()
	{
		return max;
	}
	/**
	 * get min of expression
	 * @return
	 */
	public double getMin()
	{
		return min;
	}
	/**
	 * get type of expression
	 * @return
	 */
	public int getType()
	{
		return type;
	}
}