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Use CallableStmts to call a stored procedure

import java.sql.CallableStatement; import java.sql.Connection; import java.sql.DriverManager; public class CallableStmt {   public static void main(String[] args) throws Exception {     String driver = "oracle.jdbc.driver.OracleDriver";     Class.forName(driver).newInstance();     System.out.println("Connecting to database...");     String jdbcUrl = "jdbc:oracle:thin:@localhost:1521:ORCL";     Connection conn = DriverManager.getConnection(jdbcUrl, "yourName", "mypwd");     CallableStatement cstmt = conn.prepareCall("{call getEmpName (?,?)}");     cstmt.setInt(1, 111111111);     cstmt.registerOutParameter(2, java.sql.Types.VARCHAR);     cstmt.execute();     String empName = cstmt.getString(2);     System.out.println(empName);     conn.close(); }