INSERT Query using String Format in JDBC

StringFormatJDBC.java

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

public class StringFormat {
	
	public static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";
	public static final String JDB_URL = "jdbc:mysql://localhost:3306/gces";

	public static void main(String[] args) {
		
		String insertQuery;
		String name = "Hari KC", address = "Lamachaur";
		float salary = 2345364;
		
		try {
			insertQuery = String.format("INSERT INTO `employees` ( `username`, `address`, `salary`) VALUES ('%s', '%s', '%f')", name,address, salary);
			
			Class.forName(JDBC_DRIVER);
			Connection conn = DriverManager.getConnection(JDB_URL,"root","");
			Statement st = conn.createStatement();
			st.executeUpdate(insertQuery);
			st.close();		
		}
		catch(SQLException exc) {
			exc.printStackTrace();
		}
		catch(ClassNotFoundException exc) {
			exc.printStackTrace();
		}
		
	}

}