待加载的实现类1-SimpleServiceLowerCaseImpl

package com.javabook.classloader.service.impl;
import com.javabook.classloader.service.api.ISimpleService;
/**
 * @author Summer Lu
 * @email gmluyang@gmail.com
 * @date 2014-8-25
 *
 */
public class SimpleServiceLowerCaseImpl implements ISimpleService {
    @Override
    public String calculate(String expression) {
        return this.getClass().getName() + ":" + expression.toLowerCase();
    }
}