some major refactoring.

[utils] / system / spring / src / test / java / org / wamblee / system / spring / HelloService.java

package org.wamblee.system.spring;

public class HelloService {
        
        private String _msg; 
        
        public HelloService(String aMsg) { 
                _msg = aMsg; 
        }
        
        public String say() { 
                return _msg; 
        }
}