Use RowMapper To Return List Of String : RowMapper « Spring « Java Tutorial

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Java Tutorial » Spring » RowMapper   28. 38. 1. Use RowMapper To Return List Of String File: context.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"        xmlns:util="http://www.springframework.org/schema/util"        xmlns:tx="http://www.springframework.org/schema/tx"        xmlns:aop="http://www.springframework.org/schema/aop"        xmlns:lang="http://www.springframework.org/schema/lang"        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd                            http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd                            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd                            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd                            http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-2.0.xsd"> <!--     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">         <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>         <property name="url" value="jdbc:oracle:thin:@oracle.devcake.co.uk:1521:INTL"/>         <property name="username" value="sa"/>         <property name="password" value=""/>     </bean> -->     <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">     <property name="driverClassName" value="org.hsqldb.jdbcDriver"/>     <property name="url" value="jdbc:hsqldb:mem:."/>     <property name="username" value="sa"/>     <property name="password" value=""/>     </bean> <!--     <bean id="mysqlDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">         <property name="driverClassName" value="com.mysql.jdbc.Driver"/>         <property name="url" value="jdbc:mysql://dbhost-prospring-psql/prospring"/>         <property name="username" value="sa"/>         <property name="password" value=""/>     </bean> -->     <bean id="lobHandler" class="org.springframework.jdbc.support.lob.OracleLobHandler">         <property name="nativeJdbcExtractor" ref="nativeJdbcExtractor"/>     </bean>     <bean id="nativeJdbcExtractor" class="org.springframework.jdbc.support.nativejdbc.CommonsDbcpNativeJdbcExtractor"/>     <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">         <property name="dataSource" ref="dataSource"/>     </bean> </beans> File: Main.java import java.sql.ResultSet; import java.sql.SQLException; import java.util.List; import javax.sql.DataSource; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.RowMapper; class Main {   public static void main(String args[]) throws Exception {     ApplicationContext ac = new ClassPathXmlApplicationContext("context.xml", Main.class);     DataSource dataSource = (DataSource) ac.getBean("dataSource");     // DataSource mysqlDataSource = (DataSource) ac.getBean("mysqlDataSource");     JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);     List<String> names = jdbcTemplate.query("select first_name from t_customer", new RowMapper() {       public Object mapRow(ResultSet resultSet, int i) throws SQLException {         return resultSet.getString(1);       }     });     System.out.println(names);   } }   Download:  Spring-UseRowMapperToReturnListOfString.zip( 3,655 k) 28. 38. RowMapper 28. 38. 1.  Use RowMapper To Return List Of String 28. 38. 2.  Use RowMapper To Map Row To Entity 28. 38. 3.  Implements RowMapper To Map First Column