Help!  Don't understand Finder on 10.7.5

Good evening,
I am VERY tech challenged and recently upgraded to os x 10.7.5.   In doing so my finder looks totally different.  I did a search on google for help and found the answers given were way above my head or they don't work for me.  Here is a screen shot of my 'finder'.
Some of the suggestions said to go to user name, preferences, go or other advices.  I can not find a 'go' or 'preferences' anywhere and I have clicked til my fingers hurt.  I did a search for 'finder preferences' and that didn't give me anything useful.
In viewing the screen shot above could you pls tell me exactly (step by step) how to find 'go' and 'finder preferences'?  My goal is to get the sidebar to show all my devices all the time.  It doesn't even show my hard drive!
This whole mess started w/ my identity in Outlook for Mac 2011 somehow getting corrupted.  I lost all my data as I don't know how to use Time Machine.  I was just so exasperated in losing this date (this is the reason I got mac in the first place.  I got so tired of all the crashes with the PC)  Then I realized I have some if not all of the data I need on my iphone!!  So,  now I need to be able to see my iphone in my finder to try to follow the directions on how to import that info.
Thanks for any help you can give me.
Horsnaround

I told you I was tech challenged
Thank you for your help.

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      private JTextField jtfNumOfYears = new JTextField();
      private JTextField jtfLoanAmount = new JTextField();
      private JTextField jtfMonthlyPayment = new JTextField();
      private JTextField jtfTotalPayment = new JTextField();
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      private JButton jbtComputeMortgage = new JButton("Compute Mortgage");
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        jtfTotalPayment.setEditable(false);
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        jtfAnnualInterestRate.setHorizontalAlignment(JTextField.RIGHT);
        jtfNumOfYears.setHorizontalAlignment(JTextField.RIGHT);
        jtfLoanAmount.setHorizontalAlignment(JTextField.RIGHT);
        jtfMonthlyPayment.setHorizontalAlignment(JTextField.RIGHT);
        jtfTotalPayment.setHorizontalAlignment(JTextField.RIGHT);
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        p1.add(jtfAnnualInterestRate);
        p1.add(new Label("Number of Years"));
        p1.add(jtfNumOfYears);
        p1.add(new Label("Loan Amount"));
        p1.add(jtfLoanAmount);
        p1.add(new Label("Monthly Payment"));
        p1.add(jtfMonthlyPayment);
        p1.add(new Label("Total Payment"));
        p1.add(jtfTotalPayment);
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        JPanel p2 = new JPanel();
        p2.setLayout(new FlowLayout(FlowLayout.RIGHT));
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        getContentPane().add(p1, BorderLayout.CENTER);
        getContentPane().add(p2, BorderLayout.SOUTH);
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        jbtComputeMortgage.addActionListener(this);
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      public void actionPerformed(ActionEvent e) {
        if (e.getSource() == jbtComputeMortgage) {
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      private JTextField jtfNum1, jtfNum2, jtfResult;
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      private JButton jbtAdd, jbtSub, jbtMul, jbtDiv;
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      private JMenuItem jmiAdd, jmiSub, jmiMul, jmiDiv, jmiClose;
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      public static void main(String[] args) {
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        setJMenuBar(jmb);
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        operationMenu.setMnemonic('O');
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        // Add menu "Exit" in menu bar
        JMenu exitMenu = new JMenu("Exit");
        exitMenu.setMnemonic('E');
        jmb.add(exitMenu);
        // Add menu items with mnemonics to menu "Operation"
        operationMenu.add(jmiAdd= new JMenuItem("Add", 'A'));
        operationMenu.add(jmiSub = new JMenuItem("Subtract", 'S'));
        operationMenu.add(jmiMul = new JMenuItem("Multiply", 'M'));
        operationMenu.add(jmiDiv = new JMenuItem("Divide", 'D'));
        exitMenu.add(jmiClose = new JMenuItem("Close", 'C'));
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        jmiAdd.setAccelerator(
          KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
        jmiSub.setAccelerator(
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        jmiMul.setAccelerator(
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        jmiDiv.setAccelerator(
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        p1.add(jtfNum1 = new JTextField(3));
        p1.add(new JLabel("Number 2"));
        p1.add(jtfNum2 = new JTextField(3));
        p1.add(new JLabel("Result"));
        p1.add(jtfResult = new JTextField(4));
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        p2.setLayout(new FlowLayout());
        p2.add(jbtAdd = new JButton("Add"));
        p2.add(jbtSub = new JButton("Subtract"));
        p2.add(jbtMul = new JButton("Multiply"));
        p2.add(jbtDiv = new JButton("Divide"));
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        getContentPane().add(p2, BorderLayout.SOUTH);
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        jbtSub.addActionListener(this);
        jbtMul.addActionListener(this);
        jbtDiv.addActionListener(this);
        jmiAdd.addActionListener(this);
        jmiSub.addActionListener(this);
        jmiMul.addActionListener(this);
        jmiDiv.addActionListener(this);
        jmiClose.addActionListener(this);
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        int num2 = (Integer.parseInt(jtfNum2.getText().trim()));
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        // Set result in jtfResult
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        p2.add(jrbYellow = new JRadioButton("Yellow", false));
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        jrbYellow.setMnemonic('Y');
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    to
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