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Chapter 4 How to enable security Config User Authentication Config Url How to get the current user How to enable security add the following dependency <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-b

Chapter I & II How to write a controller How to write a template How to add attributes to Model object How to perform validation How to write a “controller” which does simple things How to write a controller @Controller @RequestMapping("/path") publi

Chapter 3 Core Questions How to use JdbcTemplate insert select How to use SimpleJdbcInsert How to get the generated key using JdbcTemplate using SimpleJdbcInsert What is the difference between JDBC and JPA. How to use JdbcTemplate @Repository publi