expressionbean.java

1.用堆栈实现表达式求值 2.随机生成带括号的表达式

package sasa.domain;

/**
 * @author sasa
 *
 * @version 1.0 2007-4-22 上午09:30:15
 */

public class ExpressionBean {
	//表达式
	private String src;
	//用户输入值
	private float userValue;
	//正确值
	private float value;
	//是否正确"×"或"√"
	private String message;
	
	public String getSrc(){
		return src;
	}
	public void setSrc(String src){
		this.src = src;
	}
	
	public float getUserValue(){
		return userValue;
	}
	public void setUserValue(float userValue){
		this.userValue = userValue;
	}
	
	public float getValue(){
		return value;
	}
	public void setValue(float value){
		this.value = value;
	}
	
	public String getMessage(){
		return message;
	}
	
	public void setMessage(String message){
		this.message = message;
	}
}