object initialization by passing CassandraRow using reflection

main.java

import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;

import com.datastax.spark.connector.japi.CassandraRow;
import com.datastax.spark.connector.japi.CassandraJavaUtil;

import scala.collection.Iterator;

class main {
  public main(CassandraRow row) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException,
            NoSuchMethodException, SecurityException, NoSuchFieldException {
        Iterator<String> it = row.fieldNames().columnNames().iterator();
        while (it.nonEmpty()) {
            String var = "", columnName = it.next();
            String[] column = columnName.split("_");
            for (String str : column) {
                var += str.substring(0, 1).toUpperCase() + str.substring(1).toLowerCase();
            }
            Class<?> colType = this.getClass().getDeclaredField(var).getType();
            Object value = row.get(columnName, CassandraJavaUtil.typeConverter(colType));
            this.getClass().getDeclaredMethod("set" + var, colType).invoke(this, value);
        }
    }
}