Java MariaDB and Transaction (Commit/Rollback) (JDBC)

connect.setAutoCommit(false);

connect.rollback();

connect.setAutoCommit(true);

try {
	
	connect.setAutoCommit(false);
	st = connect.createStatement();
	
	// Statement 1
	String sql1 = "INSERT INTO customer ...";
	st.execute(sql1);

	// Statement 2
	String sql2 = "INSERT INTO customer ....";
	st.execute(sql2);             

} catch (Exception e) {
	connect.rollback();
} finally {
	connect.setAutoCommit(true);
}

package com.java.myapp;

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

public class MyClass {

	public static void main(String[] args){
		
		Connection connect = null;
		Statement st = null;
		
		try {
			Class.forName("org.mariadb.jdbc.Driver");
			connect =  DriverManager.getConnection("jdbc:mariadb://localhost/mydatabase" +
					"?user=root&password=root");
			
			connect.setAutoCommit(false);
			
			st = connect.createStatement();
			
			// Statement 1
			String sql1 = "INSERT INTO customer " +
					"(CustomerID,Name,Email,CountryCode,Budget,Used) " + 
					"VALUES ('C005','Chai Surachai','[email protected]'" +
					",'TH','1000000','0') ";
			st.execute(sql1);
             
            // Statement 2
 			String sql2 = "INSERT INTO customer " +
					"(CustomerID,Name,Email,CountryCode,Budget,Used) " + 
					"VALUES ('C005','Chai Surachai','[email protected]'" +
					",'TH','1000000','0') ";
 			st.execute(sql2);             
            
            System.out.println("Record Inserted Successfully");
             
             
		} catch (Exception e) {
			// TODO Auto-generated catch block
	        if (connect != null) {
	            try {
	            	st.close();
	                connect.rollback();
	                System.err.print("Transaction is being rolled back");
	            } catch(SQLException e2) {
	            	e2.printStackTrace();
	            }
	        }
			
		} finally {
	        if (st != null) {
	            try {
	    			st.close();
					connect.setAutoCommit(true);
	            } catch(SQLException e) {
	            	e.printStackTrace();
	            }
	        }
	    }
		
		
		
		try {
			connect.close();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
}