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Singleton bean scope in Spring Framework with Example
By default all beans are singleton objects. singleton objects are single time initialized reference everytime getBean returns the same reference for all time.
Step.1 Start a Java Project with Spring 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 "SingletonScopeExample", 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
package com.knowledgewalls;

public class Students {
    private int studentNo;
    private String studentName;
    public int getStudentNo() {
        return studentNo;
    public void setStudentNo(int studentNo) {
        this.studentNo = studentNo;
    public String getStudentName() {
        return studentName;
    public void setStudentName(String studentName) {
        this.studentName = studentName;
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""

    <bean id="student" class="com.knowledgewalls.Students" scope="singleton" />
package com.knowledgewalls;

import org.springframework.context.ApplicationContext;

public class RunMyProgram {
    public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext("bean-configuration.xml");
        Students student1 = (Students) context.getBean("student");
        Students student2 = (Students) context.getBean("student");
        Students student3 = (Students) context.getBean("student");
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