Employee.java Source code

Introduction

Here is the source code for Employee.java

Source

import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLData;
import java.sql.SQLException;
import java.sql.SQLInput;
import java.sql.SQLOutput;
import java.sql.Statement;
import java.text.NumberFormat;
import java.util.Map;

class Employee implements SQLData {
    public BigDecimal SSN;

    public String FirstName;

    public String LastName;

    public BigDecimal Salary;

    private String sqlUdt;

    public void writeSQL(SQLOutput stream) throws SQLException {
        stream.writeBigDecimal(SSN);
        stream.writeString(FirstName);
        stream.writeString(LastName);
        stream.writeBigDecimal(Salary);
    }

    public String getSQLTypeName() throws SQLException {
        return sqlUdt;
    }

    public void readSQL(SQLInput stream, String typeName) throws SQLException {
        sqlUdt = typeName;
        SSN = stream.readBigDecimal();
        FirstName = stream.readString();
        LastName = stream.readString();
        Salary = stream.readBigDecimal();
    }

    public String calcMonthlySalary() {
        double monthlySalary = Salary.doubleValue() / 12;
        NumberFormat nf = NumberFormat.getCurrencyInstance();
        String str = nf.format(monthlySalary);
        return str;
    }

}

public class MainClass {

    public static void main(String[] args) throws Exception {
        Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();

        Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@myserver:1521:ORCL", "yourName", "mypwd");

        Statement stmt = conn.createStatement();

        Map map = conn.getTypeMap();
        map.put("EMP_DATA", Class.forName("Employee"));
        conn.setTypeMap(map);

        ResultSet rs = stmt.executeQuery("SELECT * from Emp");

        Employee employee;

        while (rs.next()) {
            int empId = rs.getInt("EmpId");
            employee = (Employee) rs.getObject("Emp_Info");

            System.out.print("Employee Id: " + empId + ", SSN: " + employee.SSN);
            System.out.print(", Name: " + employee.FirstName + " " + employee.LastName);
            System.out.println(
                    ", Yearly Salary: $" + employee.Salary + " Monthly Salary: " + employee.calcMonthlySalary());
        }
        conn.close();
    }
}