自定义程序异常Exception

/**
 * 用于循环时的异常定位抛出异常
 * 如第i行记录，抛出异常
 * @author zhengwei
 *
 */
public class MyExcetion extends RuntimeException {

	private static final long serialVersionUID = 1L;
	private int index;
	public int getIndex() {
		return index;
	}
	public void setIndex(int index) {
		this.index = index;
	}

	public MyExcetion(String msg, int error_index){
		super(msg);
		index = -1;
        index = error_index;
	}

	public MyExcetion(String msg, int error_index, Throwable ex){
		super(msg,ex);
		index = -1;
        index = error_index;
	}
}