commandtoken.java

来自「JAVA 数学程序库 提供常规的数值计算程序包」· Java 代码 · 共 26 行

package jmathlib.core.tokens;

/**Class for implementing commands */
public class CommandToken extends OperandToken
{

	/**default constructor*/
    public CommandToken()
    {
    }

	/**@return the command as a string*/
    public String toString()
    {
    	return null; 
    }

	/**Evaluates the command
	@param operands = the commands operands
	@return the result of the command as an OperandToken*/
    public OperandToken evaluate(Token[] operands)
    {
        return null;
    }
}