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Passing bean as constructor arguments to another bean in Spring Framework
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Hints 
Student object bean passing to StudentHandler class to do display student details in below spring core example.
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 "SpringBeanASConstructorArgsToAnotherBean", 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 
Student.java
package com.springexamples;

public class Student {
    private int studentNo;
    private String studentName;
    
    public Student(int studentNo,String studentName){
        this.studentNo = studentNo;
        this.studentName = 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;
    }
}
StudentHandler.java
package com.springexamples;

public class StudentHandler {
    Student student;
    
    public StudentHandler(Student student){
        this.student = student;
    }
    public void display(){
        System.out.println("Student Details\n");
        
        System.out.println(student.getStudentNo());
        System.out.println(student.getStudentName());
    }
}
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="student" class="com.springexamples.Student">
        <constructor-arg value="1001" />
        <constructor-arg value="John" />
    </bean>
    
    <bean id="studentHandler" class="com.springexamples.StudentHandler">
        <constructor-arg ref="student" />
    </bean>

</beans>
RunMyProgram.java
package com.springexamples;

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");
        StudentHandler studentHandler = (StudentHandler) context.getBean("studentHandler");
            studentHandler.display();
    }
}
Output 
Student Details

1001
John
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