Java Parameters Query for UPDATE PreparedStatement (prepareStatement)

   PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
                                     SET NAME = ? WHERE ID = ?");
   pstmt.setString(1, "Win")
   pstmt.setInt(2, 101)

PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
			     SET NAME = ? WHERE ID = ?");

// Query 1
pstmt.setString(1, "Win")
pstmt.setInt(2, 101)
pstmt.executeUpdate();

// Query 2
pstmt.setString(1, "Chai")
pstmt.setInt(2, 102)
pstmt.executeUpdate();

PreparedStatement pre = connect.prepareStatement(sql);

		
String sql = "UPDATE customer " +
		"SET Budget = ? " +
		" WHERE CustomerID = ? ";

pre.setFloat(1, 5000000);
pre.setString(2, "C005");

pre.executeUpdate();

package com.java.myapp;

import java.sql.PreparedStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class MyClass {

	public static void main(String[] args) {
		
		Connection connect = null;
		PreparedStatement pre = null;
		
		try {
			Class.forName("com.mysql.jdbc.Driver");
			connect =  DriverManager.getConnection("jdbc:mysql://localhost/mydatabase" +
					"?user=root&password=root");
			
			String sql = "UPDATE customer " +
					"SET Budget = ? " +
					" WHERE CustomerID = ? ";
             
			pre = connect.prepareStatement(sql);
			pre.setFloat(1, 5000000);
			pre.setString(2, "C005");
			
			pre.executeUpdate();
			
            System.out.println("Record Update Successfully");
             
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		// Close
		try {
			if(connect != null){
	            pre.close();
	            connect.close();
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}
	
}