dispersoninfo3.java

随书光盘：精通Sping 2.0 的随书源代码

package test;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * 
 * @author worldheart
 * 
 */
public class DisPersonInfo3 {

	private static final Log log = LogFactory.getLog(DisPersonInfo3.class);

	public void compute(String person) {
		log.info(person);
	}

	public String compute(String person, int age) {
		// 单线程环境中，
		// Java SE 5.0引入的StringBuilder比原先的StringBuffer性能更好
		StringBuilder sb = new StringBuilder(person);		
		sb.append("已经" + age + "岁了！");		
		return sb.toString();		
	}

}