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Spring expression language operators example

This page gives more details about spring expression language operators and their usage. Spring expression language supports most of the mathematical, logical and relational operations. Here is the description about each operator:

Use < or lt for less than.
Use <= or le for less than or equals to.
Use eq or == for equals.
Use ne or != for not equals.
Use gt or > for greater than.
Use ge or >= for greater than or equals.
Use and for logical and operation.
Use or for logical or operation.
Use ! for logical not operation.
Use + for addition operation.
Use - for subtraction operation.
Use * for multiplication operation.
Use / for division operation.
Use ^ for exponential power operation.
Use % for modulus operation.

Below example shows how to use these operators:

package com.java2novice.beans;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

public class MyNumber {

	private int no;

	public int getNo() {
		return no;

	public void setNo(int no) { = no;

package com.java2novice.beans;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

public class MyMathTest {

	@Value("#{ == 1016}")
	private boolean isEqual;
	@Value("#{ > 300}")
	private boolean isGreaterThan;
	@Value("#{ != 1015}")
	private boolean isNotEquals;
	@Value("#{ > 1000 and < 2000}")
	private boolean isInBetween;
	@Value("#{ == 1000 or eq 2000}")
	private boolean isEitherOr;
	@Value("#{ + 2000}")
	private int sumValue;
	@Value("#{ / 16}")
	private int divisionValue;
	public String toString(){
		StringBuilder sb = new StringBuilder();
		sb.append("isEqual: ").append(isEqual).append("\n");
		sb.append("isGreaterThan: ").append(isGreaterThan).append("\n");
		sb.append("isNotEquals: ").append(isNotEquals).append("\n");
		sb.append("isInBetween: ").append(isInBetween).append("\n");
		sb.append("isEitherOr: ").append(isEitherOr).append("\n");
		sb.append("sumValue: ").append(sumValue).append("\n");
		sb.append("divisionValue: ").append(divisionValue).append("\n");
		return sb.toString();

Here is the xml based configuration, you must enable component scan.

<beans xmlns=""

    <context:component-scan base-package="com.java2novice.beans" />

Spring bean demo class:

package com.java2novice.test;

import org.springframework.context.ConfigurableApplicationContext;

import com.java2novice.beans.MyMathTest;

public class SpringDemo {

	public static void main(String a[]){
		String confFile = "applicationContext.xml";
		ConfigurableApplicationContext context 
							= new ClassPathXmlApplicationContext(confFile);
		MyMathTest mathTest = (MyMathTest) context.getBean("myMathTestBean");

isEqual: true
isGreaterThan: true
isNotEquals: true
isInBetween: true
isEitherOr: false
sumValue: 3016
divisionValue: 63
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What is fail-fast in java?
A fail-fast system is nothing but immediately report any failure that is likely to lead to failure. When a problem occurs, a fail-fast system fails immediately. In Java, we can find this behavior with iterators. Incase, you have called iterator on a collection object, and another thread tries to modify the collection object, then concurrent modification exception will be thrown. This is called fail-fast.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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