PreparedStatement: setByte(int parameterIndex, byte x) : PreparedStatement « java.sql « Java by API

1. Java by API
2. java.sql
3. PreparedStatement

PreparedStatement: setByte(int parameterIndex, byte x)

 

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement stmt = conn.createStatement();
    stmt.executeUpdate("create table survey (id int, id2 tinyint, id3 smallint, id4 bigint, id5 real);");
    String sql = "INSERT INTO survey (id2,id3,id4,id5) VALUES(?,?,?,?)";
    PreparedStatement pstmt = conn.prepareStatement(sql);
    byte b = 1;
    short s = 2;
    pstmt.setByte(1, b);
    pstmt.setShort(2, s);
    pstmt.setInt(3, 3);
    pstmt.setLong(4, 4L);
    pstmt.executeUpdate();

    ResultSet rs = stmt.executeQuery("SELECT * FROM survey");
    while (rs.next()) {
        System.out.println(rs.getString(2));
    }
    rs.close();
    stmt.close();
    conn.close();
  }

  private static Connection getConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    String url = "jdbc:hsqldb:mem:data/tutorial";

    return DriverManager.getConnection(url, "sa", "");
  }
}

   
  

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