mero

线上代码抛出空指针问题。排查发现业务是没有问题的，经过坚持不懈的排查，发现原来是throw null，抛出了空指针`public class Demo { public static void main(String[] args) { throw null; } } Exception in thread “main” java.lang.NullPointerException ` ...

Object[] inPa = { "9527", "201712", "201711", "255451"}; List inpal = Arrays.asList(inPa); Object[] de= {1,2}; List del= Arrays.asList(inPa);//需要删除的下标 List<Object> outPa = new ArrayList<Object>(); for

logging.level.org.apache.ibatis=DEBUG logging.level.org.mybatis=DEBUG logging.level.java.sql.Connection=DEBUG logging.level.java.sql.Statement=DEBUG mybatis.configuration.log-impl=org.apache.ibatis.lo...

创建线程池 public class InsertTest { @Test public void t1() { IMyThreadService sv = LocalContextFactory.getInstance().getBean("IMyThreadService", IMyThreadService.class); // 创建线...