I have some spring projects in my work space. And i use github to manage all the source code of different spring project. When i import those spring projects to […]
H2 is an embedded database developed in Java, it is free from platform constraints. It is only a class library and can be embedded directly into java application. The biggest advantage of […]
Eclipse.ini file is the configuration file where you can edit eclipse tool startup settings, such as increase eclipse JVM heap size to let it use more memory. And spring tool […]
When you develop a spring java project with maven, some times you may encounter errors like below. This is a crazy error because the reason is not very clear. I […]
SpEL is abbreviation of Spring Expression Language which can be used to query property value from properties file (Use $), or manipulate java object and it’s attributes at runtime( Use […]
If you want to save configuration data in an external properties file, and then read them in spring application, you can use PropertyPlaceholderConfigurer class. This class has a location attribute […]
When you submit a spring form, it will show a success web result page in general. But when you refresh the form submit result page by clicking the browser refresh […]
Request and session scope are important web application concepts. Request scope is short-live scope, request scope object only exists in one http request. But session scope is long-live than request […]
Spring MVC form can be used to submit user data to web server, then web server logic bean can process those data and return related jsp view page back to […]
This example will show you how to implement spring mvc form elements and how to process form submit action. It use spring form:radiobutton to implement html radio button, form:checkbox to […]
