Java PreparedStatement .setFloat (int parameterIndex, float x)
Syntax
PreparedStatement.setFloat(int parameterIndex, float x) has the following syntax.
void setFloat(int parameterIndex, float x) throws SQLException
Example
In the following code shows how to use PreparedStatement.setFloat(int parameterIndex, float x) method.
/*from ww w .j a v a 2 s .c o m*/
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class Main {
public static Connection getConnection() throws Exception {
String driver = "org.gjt.mm.mysql.Driver";
String url = "jdbc:mysql://localhost/databaseName";
String username = "root";
String password = "root";
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, username, password);
return conn;
}
public static void main(String[] args) throws Exception {
String id = "0001";
float floatValue = 0001f;
double doubleValue = 1.0001d;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = getConnection();
String query = "insert into double_table(id, float_column, double_column) values(?, ?, ?)";
pstmt = conn.prepareStatement(query);
pstmt.setString(1, id);
pstmt.setFloat(2, floatValue);
pstmt.setDouble(3, doubleValue);
// execute query, and return number of rows created
int rowCount = pstmt.executeUpdate();
System.out.println("rowCount=" + rowCount);
} finally {
pstmt.close();
conn.close();
}
}
}