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public = new javax.swing.JPanel(); TitleContainer = new javax.swing.JPanel();

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public class Subnet_Calculator extends javax.swing.

JFrame {  public Subnet_Calculator() {        initComponents();    }   @SuppressWarnings(“unchecked”)    //                               private void initComponents() {        Root = new javax.swing.JPanel();        TitleContainer = new javax.swing.JPanel();        Title = new javax.swing.

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JLabel();        InputContainer = new javax.swing.JPanel();        Ip = new javax.

swing.JLabel();        dot1 = new javax.swing.JLabel();        dot2 = new javax.

swing.JLabel();        dot3 = new javax.swing.JLabel();        numOfadd = new javax.swing.JLabel();        address_num = new javax.

swing.JTextField();        CalcBTN = new javax.swing.

JButton();        Ip1 = new javax.swing.JFormattedTextField();        Ip2 = new javax.

swing.JFormattedTextField();        Ip3 = new javax.swing.JFormattedTextField();        Ip4 = new javax.swing.

JFormattedTextField();        OutputContainer = new javax.swing.JPanel();        FirstAddress = new javax.

swing.JLabel();        SencondAddress = new javax.swing.JLabel();        stAdd = new javax.swing.

JTextField();        ndAdd = new javax.swing.JTextField();        javax.swing.JScrollPane LogArea_Scroll = new javax.

swing.JScrollPane();        LogArea = new javax.swing.JTextArea();        Log = new javax.

swing.JLabel();        jSeparator2 = new javax.swing.JSeparator();        jSeparator1 = new javax.

swing.JSeparator();        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);        Title.setFont(new java.awt.

Font(“Calibri Light”, 0, 24)); // NOI18N        Title.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);        Title.setText(“Subnetting Calculator”);        javax.

swing.GroupLayout TitleContainerLayout = new javax.swing.GroupLayout(TitleContainer);        TitleContainer.setLayout(TitleContainerLayout);        TitleContainerLayout.

setHorizontalGroup(            TitleContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .

addGroup(javax.swing.GroupLayout.Alignment.

TRAILING, TitleContainerLayout.createSequentialGroup()                .addContainerGap()                .addComponent(Title, javax.

swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.

DEFAULT_SIZE, Short.MAX_VALUE)                .addContainerGap())        );        TitleContainerLayout.setVerticalGroup(            TitleContainerLayout.createParallelGroup(javax.swing.GroupLayout.

Alignment.LEADING)            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, TitleContainerLayout.createSequentialGroup()                .addContainerGap()                .addComponent(Title, javax.swing.GroupLayout.DEFAULT_SIZE, 41, Short.MAX_VALUE)                .addContainerGap())        );        Ip.setText(“IP”);        dot1.setText(“.”);        dot2.setText(“.”);        dot3.setText(“.”);        numOfadd.setText(“Enter the number of addresses”);        CalcBTN.setText(“Calculate”);        CalcBTN.addActionListener(new java.awt.event.ActionListener() {            public void actionPerformed(java.awt.event.ActionEvent evt) {                CalcBTNActionPerformed(evt);            }        });        try {            Ip1.setFormatterFactory(new javax.swing.text.DefaultFormatterFactory(new javax.swing.text.MaskFormatter(“#**”)));        } catch (java.text.ParseException ex) {            ex.printStackTrace();        }        Ip1.setHorizontalAlignment(javax.swing.JTextField.CENTER);        try {            Ip2.setFormatterFactory(new javax.swing.text.DefaultFormatterFactory(new javax.swing.text.MaskFormatter(“#**”)));        } catch (java.text.ParseException ex) {            ex.printStackTrace();        }        Ip2.setHorizontalAlignment(javax.swing.JTextField.CENTER);        try {            Ip3.setFormatterFactory(new javax.swing.text.DefaultFormatterFactory(new javax.swing.text.MaskFormatter(“#**”)));        } catch (java.text.ParseException ex) {            ex.printStackTrace();        }        Ip3.setHorizontalAlignment(javax.swing.JTextField.CENTER);        try {            Ip4.setFormatterFactory(new javax.swing.text.DefaultFormatterFactory(new javax.swing.text.MaskFormatter(“#**”)));        } catch (java.text.ParseException ex) {            ex.printStackTrace();        }        Ip4.setHorizontalAlignment(javax.swing.JTextField.CENTER);        javax.swing.GroupLayout InputContainerLayout = new javax.swing.GroupLayout(InputContainer);        InputContainer.setLayout(InputContainerLayout);        InputContainerLayout.setHorizontalGroup(            InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addGroup(InputContainerLayout.createSequentialGroup()                .addContainerGap()                .addGroup(InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)                    .addGroup(InputContainerLayout.createSequentialGroup()                        .addComponent(numOfadd)                        .addGap(18, 18, 18)                        .addComponent(address_num, javax.swing.GroupLayout.PREFERRED_SIZE, 83, javax.swing.GroupLayout.PREFERRED_SIZE))                    .addGroup(InputContainerLayout.createSequentialGroup()                        .addComponent(Ip)                        .addGap(18, 18, 18)                        .addComponent(Ip1, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(dot2)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(Ip2, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(dot1, javax.swing.GroupLayout.PREFERRED_SIZE, 5, javax.swing.GroupLayout.PREFERRED_SIZE)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(Ip3, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(dot3)                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                        .addComponent(Ip4, javax.swing.GroupLayout.PREFERRED_SIZE, 71, javax.swing.GroupLayout.PREFERRED_SIZE)))                .addContainerGap(141, Short.MAX_VALUE))            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, InputContainerLayout.createSequentialGroup()                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)                .addComponent(CalcBTN, javax.swing.GroupLayout.PREFERRED_SIZE, 88, javax.swing.GroupLayout.PREFERRED_SIZE)                .addGap(29, 29, 29))        );        InputContainerLayout.setVerticalGroup(            InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addGroup(InputContainerLayout.createSequentialGroup()                .addGap(27, 27, 27)                .addGroup(InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)                    .addGroup(InputContainerLayout.createSequentialGroup()                        .addGap(6, 6, 6)                        .addComponent(Ip, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))                    .addGroup(InputContainerLayout.createSequentialGroup()                        .addGap(3, 3, 3)                        .addGroup(InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)                            .addComponent(dot2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)                            .addComponent(dot1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)                            .addComponent(dot3)                            .addComponent(Ip1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)                            .addComponent(Ip2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)                            .addComponent(Ip3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)                            .addComponent(Ip4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))                .addGap(22, 22, 22)                .addGroup(InputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)                    .addGroup(InputContainerLayout.createSequentialGroup()                        .addGap(6, 6, 6)                        .addComponent(numOfadd, javax.swing.GroupLayout.DEFAULT_SIZE, 17, Short.MAX_VALUE))                    .addComponent(address_num, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                .addComponent(CalcBTN, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)                .addContainerGap())        );        FirstAddress.setText(“First Address”);        SencondAddress.setText(“Last Address”);        stAdd.setEditable(false);        stAdd.setBackground(new java.awt.Color(154, 154, 154));        stAdd.setForeground(new java.awt.Color(255, 255, 255));        stAdd.setHorizontalAlignment(javax.swing.JTextField.CENTER);        stAdd.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(204, 204, 204)));        ndAdd.setEditable(false);        ndAdd.setBackground(new java.awt.Color(154, 154, 154));        ndAdd.setForeground(new java.awt.Color(255, 255, 255));        ndAdd.setHorizontalAlignment(javax.swing.JTextField.CENTER);        ndAdd.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(204, 204, 204)));        LogArea.setEditable(false);        LogArea.setColumns(20);        LogArea.setRows(5);        LogArea_Scroll.setViewportView(LogArea);        Log.setText(“LOG”);        javax.swing.GroupLayout OutputContainerLayout = new javax.swing.GroupLayout(OutputContainer);        OutputContainer.setLayout(OutputContainerLayout);        OutputContainerLayout.setHorizontalGroup(            OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addGroup(OutputContainerLayout.createSequentialGroup()                .addContainerGap()                .addGroup(OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)                    .addComponent(LogArea_Scroll)                    .addGroup(OutputContainerLayout.createSequentialGroup()                        .addGroup(OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)                            .addGroup(OutputContainerLayout.createSequentialGroup()                                .addComponent(FirstAddress)                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)                                .addComponent(stAdd, javax.swing.GroupLayout.PREFERRED_SIZE, 230, javax.swing.GroupLayout.PREFERRED_SIZE))                            .addGroup(OutputContainerLayout.createSequentialGroup()                                .addComponent(SencondAddress)                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)                                .addComponent(ndAdd, javax.swing.GroupLayout.PREFERRED_SIZE, 230, javax.swing.GroupLayout.PREFERRED_SIZE))                            .addComponent(Log))                        .addGap(0, 0, Short.MAX_VALUE))                    .addComponent(jSeparator2)                    .addComponent(jSeparator1))                .addContainerGap())        );        OutputContainerLayout.setVerticalGroup(            OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addGroup(OutputContainerLayout.createSequentialGroup()                .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 14, Short.MAX_VALUE)                .addGroup(OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)                    .addComponent(FirstAddress)                    .addComponent(stAdd, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)                .addGroup(OutputContainerLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)                    .addComponent(SencondAddress)                    .addComponent(ndAdd, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))                .addGap(18, 18, 18)                .addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)                .addGap(18, 18, 18)                .addComponent(Log)                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                .addComponent(LogArea_Scroll, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE)                .addContainerGap())        );        javax.swing.GroupLayout RootLayout = new javax.swing.GroupLayout(Root);        Root.setLayout(RootLayout);        RootLayout.setHorizontalGroup(            RootLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addComponent(TitleContainer, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)            .addComponent(OutputContainer, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)            .addComponent(InputContainer, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)        );        RootLayout.setVerticalGroup(            RootLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addGroup(RootLayout.createSequentialGroup()                .addComponent(TitleContainer, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                .addComponent(InputContainer, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)                .addComponent(OutputContainer, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))        );        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());        getContentPane().setLayout(layout);        layout.setHorizontalGroup(            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addComponent(Root, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)        );        layout.setVerticalGroup(            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)            .addComponent(Root, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)        );        pack();    }//                                     static String appendZeros(String s){        String temp = “00000000”;        return temp.substring(s.length())+ s;    }    // to clear spaces from string    static String clearSpaces(String str){        String out = “”;                        //if user enter ”  1″, “1  ” , or even ” 1 ”        for (int i = 0; i < str.length(); i++) {            if (str.charAt(i)!=' ') {                out+=str.charAt(i);             //if not space take it             }        }        return out;                             //then return last String    }             private void CalcBTNActionPerformed(java.awt.event.ActionEvent evt) {                                                        LogArea.setText("");                            // empty the log area        String bip = "";                                // bip means binary ip        String split_ip = {Ip1.getText(), Ip2.getText(), Ip3.getText(), Ip4.getText()};   //get all ip into string array        String split_bip = new String4; //split binary ip        for(int i=0;i<4;i++){            split_bipi = appendZeros(Integer.toBinaryString(Integer.parseInt(clearSpaces(split_ipi)))); // for converting ip to binary            bip += split_bipi;        }                LogArea.append("IP in binary is "+bip+"");              // append log data to log area                int n = Integer.parseInt(address_num.getText());          //get the address number                //Calculation of mask        int bits = (int)Math.ceil(Math.log(n)/Math.log(2));         //for Example : if address = 120, log 120/log 2 gives log to the base 2 => 6.9068, ceil gives us upper integer = 7        LogArea.append(“Number of bits required for address = “+bits+””);                int mask = 32-bits;             // get the mask        LogArea.append(“The subnet mask is = “+mask+””);  //append it to log area                //Calculation of first address        int fbip = new int32;        for(int i=0; i<32;i++)             fbipi = (int)bip.charAt(i)-48; //convert cahracter 0,1 to integer 0,1                for (int i = 31; i > 31-bits; i–)            fbipi &= 0;                   //Get first address by ANDing last n bits with 0                String fip = {“”,””,””,””};                for(int i=0;i<32;i++)            fipi/8 = fipi/8+fbipi;                                //for appending the ip to stadd                stAdd.setText("");        for(int i=0;i<4;i++){            stAdd.setText(stAdd.getText()+Integer.toString(Integer.parseInt(fipi,2)));            if(i!=3)                 stAdd.setText(stAdd.getText()+".");        }                LogArea.append("");                        //Calculation of last address        int lbip = new int32;        for(int i=0; i<32;i++)             lbipi = (int)bip.charAt(i)-48; //convert cahracter 0,1 to integer 0,1                for (int i = 31; i > 31-bits; i–)            lbipi |= 1;                   //Get first address by ORing last n bits with 1                String lip = {“”,””,””,””};                for(int i=0;i<32;i++)            lipi/8 = lipi/8+lbipi;                //for appending the ip to ndadd        ndAdd.setText("");        for(int i=0;i<4;i++){            ndAdd.setText(ndAdd.getText()+Integer.toString(Integer.parseInt(lipi,2)));            if(i!=3)                ndAdd.setText(ndAdd.getText()+".");        }    }                                           /**     * @param args the command line arguments     */    public static void main(String args) {        /* Set the Nimbus look and feel */        //        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html          */        try {            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {                if (“Nimbus”.equals(info.getName())) {                    javax.swing.UIManager.setLookAndFeel(info.getClassName());                    break;                }            }        } catch (ClassNotFoundException ex) {            java.util.logging.Logger.getLogger(Subnet_Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);        } catch (InstantiationException ex) {            java.util.logging.Logger.getLogger(Subnet_Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);        } catch (IllegalAccessException ex) {            java.util.logging.Logger.getLogger(Subnet_Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);        } catch (javax.swing.UnsupportedLookAndFeelException ex) {            java.util.logging.Logger.getLogger(Subnet_Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);        }        //        /* Create and display the form */        java.awt.EventQueue.invokeLater(new Runnable() {            public void run() {                new Subnet_Calculator().setVisible(true);            }        });    }    // Variables declaration – do not modify                         private javax.swing.JButton CalcBTN;    private javax.swing.JLabel FirstAddress;    private javax.swing.JPanel InputContainer;    private javax.swing.JLabel Ip;    private javax.swing.JFormattedTextField Ip1;    private javax.swing.JFormattedTextField Ip2;    private javax.swing.JFormattedTextField Ip3;    private javax.swing.JFormattedTextField Ip4;    private javax.swing.JLabel Log;    private javax.swing.JTextArea LogArea;    private javax.swing.JPanel OutputContainer;    private javax.swing.JPanel Root;    private javax.swing.JLabel SencondAddress;    private javax.swing.JLabel Title;    private javax.swing.JPanel TitleContainer;    private javax.swing.JTextField address_num;    private javax.swing.JLabel dot1;    private javax.swing.JLabel dot2;    private javax.swing.JLabel dot3;    private javax.swing.JSeparator jSeparator1;    private javax.swing.JSeparator jSeparator2;    private javax.swing.JTextField ndAdd;    private javax.swing.JLabel numOfadd;    private javax.swing.JTextField stAdd;    // End of variables declaration                   }

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  4. In to agriculture, 8 percent public/semi-public, 5 percent
  5. First from a public. Fast food restaurants is
  6. import udpPacketSize = 1024; //main client function public
  7. In against childhood diseases remain a significant public
  8. MZUZU ‘private’. The term public policy was
  9. Madonna public eye. Madonna took women and sex
  10. As to replace aging public telephone systems and
  11. As till 2016 that the public began to
  12. Pusa, marketing is that the public would
  13. ‘The by the participants. Public administration was viewed
  14. Paintball to be worn on all public fields.
  15. 3. is opposed to public policy and void
  16. The History of Public Relations
  17. The for science-based risk assessments and public participation
  18. There owner will take his company public on
  19. John public health. There was also the problem
  20. 1. being a public servant in the discharge
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