Hibernate criteria avg.

In this example, you will see the use of avg() method of Criteria class. It returns average value of the given column. 

Syntax :

Criteria criteria=session.createCriteria(Pojo.class);
criteria.setProjection(Projections.avg(propertyName));

CriteiaSort.java

package net.roseindia.action;

import java.util.List;
import net.roseindia.bean.StudentBean;
import net.roseindia.util.HibernateUtil;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Projections;

public class CriteiaSort {
	public static void main(String[] args) {
		Session session = HibernateUtil.getSessionFactory().openSession();
		Criteria criteria = session.createCriteria(StudentBean.class);
		criteria.setProjection(Projections.avg("fee"));
		List totalFee = criteria.list();
		System.out.println("Average value of fee column : " + totalFee);
	}
}

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