摘要：
public class SyncObj { private static SyncObj obj = null; private SyncObj(){ } public static SyncObj getIns(){ if(obj==null){ System.out.println("obj=null"); obj = new SyncObj(); return obj; } return obj; } public synchronized void say(){ System.out.println("hello world.."); } }= 阅读全文
2012年6月13日
摘要：
select * from demo.emp_salaryid,name,salary,SAL_DATE1,'A',1000.00,'2012-01-01'2,'A',1100.00,'2012-02-01'3,'A',1150.00,'2012-03-01'4,'A',1300.00,'2012-04-01'5,'A',1200.00,'2012-05-01'6,'A',1500.00,'2012-06-01& 阅读全文
