The document contains code examples of using the Spring framework for Java applications. It includes code for a basic "Hello World" example using Spring and EJB. It also includes code examples of implementing data access using JDBC templates in Spring to avoid boilerplate JDBC code. The document lists some key features of Spring like its AOP framework, boilerplate reduction through templates, and IOC container. It also includes a YouTube link about Spring AOP.

11. package com.habuma.ejb.session;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
public class HelloWorldBean implements SessionBean{
public void ejbActivate(){}
public void ejbPassivate(){}
public void ejbRemove(){}
public void setSessionContext(SessionContextctx){}
public void ejbCreate(){}
public String sayHello(){
return"HelloWorld";
}
}

12. package com.habuma.spring;
public class HelloWorldBean{
public String sayHello(){
return"HelloWorld";
}
}

13. package session.stateless;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
@Stateless
@LocalBean
public class ForDemo {
public String sayHello()
{
return "HelloWorld";
}
}

14. http://www.youtube.com/watch?v=CkjRvBMwzo4

15. 1. Spring Aspect-oriented programing(AOP)
framework
2. Boilerplate reduction through templates
3. Spring Inverse Of Control (IOC) container

16. 1. Spring Aspect-oriented programing(AOP)
framework
2. Boilerplate reduction through templates
3. Spring Inverse Of Control (IOC) container

18. public EmployeegetEmployeeById(longid){
return employee;
Connectionconn=null;
} catch(SQLExceptione){
PreparedStatementstmt=null;
} finally{
ResultSetrs=null;
if(rs!=null){
try {
try {
conn =dataSource.getConnection();
rs.close();
} catch(SQLExceptione){}
stmt =conn.prepareStatement(
}
"select id,firstname,lastname,salaryfrom"+
if(stmt!=null){
"employee whereid=?");
try {
stmt.setLong(1,id);
stmt.close();
} catch(SQLExceptione){}
rs =stmt.executeQuery();
}
Employeeemployee=null;
if(conn!=null){
try {
if (rs.next()){
conn.close();
employee=newEmployee();
} catch(SQLExceptione){}
employee.setId(rs.getLong("id"));
}
employee.setFirstName(rs.getString("firstname"));
}
employee.setLastName(rs.getString("lastname"));
return null;
employee.setSalary(rs.getBigDecimal("salary"));
}
}

19. public EmployeegetEmployeeById(longid)
{
return jdbcTemplate.queryForObject(
"select id,firstname,lastname,salary"+
"from employeewhereid=?",
new RowMapper<Employee>(){
public EmployeemapRow(ResultSetrs, int
rowNum)throwsSQLException{
Employee employee=newEmployee();
employee.setId(rs.getLong("id"));
employee.setFirstName(rs.getString("firstname"));
employee.setLastName(rs.getString("lastname"));
employee.setSalary(rs.getBigDecimal("salary"));
return employee;
}
}
,id);
}

24. http://www.springsource.org/ - Home
page of Spring framework. Contains
documentation of how to use Spring