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How to use SpEL (Spring Expressions) in Spring XML configuration with Example
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Below is an example of "How to use SpEL (Spring Expressions) in Spring XML configuration with Example"
Step.1 Start a Java Project with required jars 
  1. Open Eclipse
  2. Click on menu New -> Others
  3. In wizards type "Java Project" and Select "Java Project"
  4. Click Next
  5. Enter project name as "SpELExample", then click Next
  6. Goto Libraries tab, then click on Add External JARs, then select Spring's 21 Framework Jars and commons-logging-1.1.jar.
  7. Click Finish.
Step.2 Project Explorer Preview 
RunMyProgram.java
package com.springexample;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class RunMyProgram {
	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext("beans.xml");
		PrimitiveDataValuesHolder dataHolder = (PrimitiveDataValuesHolder) context.getBean("dataHolder");
		
		System.out.println("Details
");
		System.out.println(dataHolder.getNumber());
		System.out.println(dataHolder.getPi());
		System.out.println(dataHolder.getName());
	}
}
PrimitiveDataValuesHolder.java
package com.springexample;

public class PrimitiveDataValuesHolder {
	private int number;
	private float pi;
	private String name;
	
	public int getNumber() {
		return number;
	}
	public void setNumber(int number) {
		this.number = number;
	}
	public float getPi() {
		return pi;
	}
	public void setPi(float pi) {
		this.pi = pi;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}	
}
beans.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

	<bean id="dataHolder" class="com.springexample.PrimitiveDataValuesHolder">
		<property name="number" value="#{1234}" />
		<property name="pi" value="#{3.14}" />
		<property name="name" value="#{'John'}" />
	</bean>
	
</beans>
Output 
Details

1234
3.14
John
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SpELExample

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