// SumaTag.java
import java.io.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

public class SumaTag extends TagSupport{
	private int num1,num2;
	public void setNum1(int num1){
		this.num1 = num1;
	}
	public void setNum2(int num2){
		this.num2 = num2;
	}
	public int doStartTag() throws JspException {
		try{
			pageContext.getOut().print("Suma: " + (num1+num2));
		} catch (IOException e) {
			throw new JspException ("Error: IOException" + e.getMessage());
		}
		return SKIP_BODY;
	}
	
	public int doEndTag() throws JspException {
		return SKIP_PAGE;
	}
}