java.lang.NoClassDefFoundError: javax/servlet/jsp/
java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config解決方案
java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config解決方案
各種path獲取到的路徑的區(qū)別
Maven項(xiàng)目報(bào)錯(cuò): Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:clean (default-clean) on project study-search: Failed to clean project: Failed to delete
eclipse 下面的folder,source folder,package的區(qū)別與作用
eclipse右鍵New添加Maven Project
jdbc是 java數(shù)據(jù)庫連接(java DataBase Connectivity)技術(shù)的簡稱,由一組使用java語言編寫的類與接口組成,可以為多種關(guān)系數(shù)據(jù)庫提供統(tǒng)一訪問。 Sun公司提供了JDBC的接口示范 ——JDBC API ,而數(shù)據(jù)庫廠商
連接池的作用:解決建立數(shù)據(jù)庫連接耗費(fèi)資源和時(shí)間很多的問題,提高數(shù)據(jù)庫服務(wù)器
pom.xml文件中properties有什么用
Servlet 中service() doGet() doPost()方法關(guān)系
Eclipse中新建Maven Web項(xiàng)目報(bào)錯(cuò):The superclass "javax.servlet.http.HttpServlet" was not found on the Java