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DataBaseAccess1/DatabaseAccess1.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

DataBaseAccess1/src/main/java/ExampleInsert/Main.java

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+package ExampleInsert;
+
+import java.sql.*;
+
+public class Main {
+    public static void main(String[] args) throws SQLException {
+        Connection myConn = null;
+        Statement myStm = null;
+        ResultSet myRs = null;
+
+        String dbURL = "";
+        String user = "root";
+        String pass = "root";
+
+        try {
+            myConn = DriverManager.getConnection(dbURL, user, pass);
+
+            myStm = myConn.createStatement();
+
+            System.out.println("Inserting new employee");
+
+            int rowsAffected = myStm.executeUpdate(
+                    "insert into x " +
+                            "(last_name, first_name, email, department, salary) " +
+                            "values " +
+                            "('Example', 'firstName', 'Example@email.com', 'ExampleJob', '100000')");
+            myRs = myStm.executeQuery("select * from example order by firstName");
+
+            while(myRs.next()) {
+                System.out.println(myRs.getString("Example") + ", " + myRs.getString("firstName"));
+            }
+        } catch (Exception err) {
+            err.printStackTrace();
+        } finally {
+            if(myRs != null) {
+                myRs.close();
+            }
+            if(myStm != null) {
+                myRs.close();
+            }
+            if(myConn != null) {
+                myRs.close();
+            }
+        }
+    }
+}

DataBaseAccess1/src/main/java/ExampleUpdate/Main.java

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+package ExampleUpdate;
+
+import java.sql.*;
+
+public class Main {
+    public static void main(String[] args) throws SQLException {
+        Connection myConn = null;
+        Statement myStm = null;
+        ResultSet myRs = null;
+
+        String dbURL = "";
+        String user = "root";
+        String pass = "root";
+
+        try {
+            myConn = DriverManager.getConnection(dbURL, user, pass);
+
+            myStm = myConn.createStatement();
+
+            System.out.println("Before update");
+
+            int rowsAffected = myStm.executeUpdate(
+                    "update employee " +
+                            "set email='johnExample@example.com' " +
+                            "where last_name='exampleLastName' and first_name='exampleFirstName'");
+
+        } catch (Exception err) {
+            err.printStackTrace();
+        }
+    }
+}

DataBaseAccess1/src/main/java/org/example/Main.java

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+package org.example;
+
+import java.sql.*;
+
+/**
+ * Hello world!
+ *
+ */
+public class Main {
+    public static void main( String[] args ) throws SQLException {
+        // write your code here
+        Connection myConn = null;
+        Statement myStm = null;
+        ResultSet myRs = null;
+
+        try {
+            // Get a connection to database
+            myConn = DriverManager.getConnection("", "root", "root");
+
+            // Create a statement
+
+            myStm = myConn.createStatement();
+
+            // Execute SQL query
+            myRs = myStm.executeQuery("select * from x");
+
+            // Process the result set
+
+            while(myRs.next()) {
+                System.out.println(myRs.getString("examble_name") + ", " + myRs.getString("example_firstName"));
+            }
+        } catch (Exception err) {
+            err.printStackTrace();
+        }
+        finally {
+            if(myRs != null){
+                myRs.close();
+            }
+            if(myStm != null){
+                myStm.close();
+            }
+        }
+        }
+
+
+
+}

DataBaseAccess1/src/test/java/org/example/MainTest.java

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+package org.example;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Unit test for simple App.
+ */
+public class MainTest
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}