DBeaver连接postgresql 驱动不存在 Maven artifact maven:/net.postgis:postgis-jdbc:RELEASE not found 解决方法:窗口--->首选项--->驱动--->Maven http://maven.aliyun.com/nexus/content/groups/public/
1.throw和throws
public static int score(int math,int chinese) throws Exception {if(math < 0 || chinese < 0){throw new Exception();}return (mathchinese)/2;}从这里看, throw是在方法体中处理异常的,抛出,这个时候࿰…