Windows computer features Java source code

The code is as follows

Import Java.awt.color;import java.awt.container;import java.awt.gridlayout;import java.awt.event.ActionEvent; Import Java.awt.event.actionlistener;import Javax.swing.jbutton;import Javax.swing.jframe;import Javax.swing.jlabel;import javax.swing.jpanel;import Javax.swing.jtextfield;class MyWindows extends JFrame implements        actionlistener{private static final long serialversionuid = 1L;         Boolean tag=true;    Boolean signal=true;    JTextField Text1;        Public mywindows (int w,int h) {settitle ("calculator program");        This.setbounds (100,100,350,300);        Container con = Getcontentpane ();        Con.setlayout (New GridLayout (3,1));        JPanel P1 = new JPanel ();        P1.setlayout (New GridLayout (2,1));        Text1 = new JTextField (150); Text1.sethorizontalalignment (Text1.        right);        Text1.settext ("0.");        JPanel p1_1 = new JPanel ();        P1_1.setlayout (New GridLayout (1,4));        JButton btn_backspace = new JButton ("BackSpace"); Btn_backsPace.setforeground (color.red);        Btn_backspace.addactionlistener (this);        JButton btn_ce = new JButton ("CE");        Btn_ce.setforeground (color.red);        JButton Btn_c = new JButton ("C");        Btn_c.setforeground (color.red);        Btn_c.addactionlistener (this);        P1.add (Text1);        P1_1.add (New JLabel ());        P1_1.add (Btn_backspace);        P1_1.add (BTN_CE);        P1_1.add (Btn_c);               P1.add (p1_1);        JPanel P2 = new JPanel ();        P2.setlayout (New GridLayout (2,1));        JPanel p2_1 = new JPanel ();        P2_1.setlayout (New GridLayout (1,6));        JButton BTN_MC = new JButton ("MC");        Btn_mc.setforeground (color.red);        JButton btn_7 = new JButton ("7");        Btn_7.setforeground (Color.Blue);        Btn_7.addactionlistener (this);        JButton btn_8 = new JButton ("8");        Btn_8.setforeground (Color.Blue);        Btn_8.addactionlistener (this);        JButton btn_9 = new JButton ("9");     Btn_9.setforeground (Color.Blue);   Btn_9.addactionlistener (this);        JButton btn_wind= New JButton ("/");        Btn_wind.setforeground (color.red);        JButton btn_sqrt = new JButton ("sqrt");        Btn_sqrt.setforeground (Color.Blue); P2_1.add (BTN_MC);        P2_1.add (btn_7); P2_1.add (Btn_8);        P2_1.add (Btn_9);        P2_1.add (Btn_wind);p 2_1.add (BTN_SQRT);        JPanel p2_2 = new JPanel ();        P2_2.setlayout (New GridLayout (1,6));        JButton btn_mr = new JButton ("MR");        Btn_mr.setforeground (color.red);        JButton btn_4 = new JButton ("4");        Btn_4.setforeground (Color.Blue);        Btn_4.addactionlistener (this);        JButton btn_5 = new JButton ("5");        Btn_5.setforeground (Color.Blue);        Btn_5.addactionlistener (this);        JButton btn_6 = new JButton ("6");        Btn_6.setforeground (Color.Blue);        Btn_6.addactionlistener (this);        JButton btn_star= New JButton ("*");        Btn_star.setforeground (color.red);        JButton btn_mod = new JButton ("%"); Btn_mod.Setforeground (Color.Blue);        P2_2.add (BTN_MR); P2_2.add (Btn_4);        P2_2.add (btn_5);         P2_2.add (Btn_6);        P2_2.add (Btn_star);p 2_2.add (btn_mod);                P2.add (p2_1);p 2.add (p2_2);        JPanel p3 = new JPanel ();        P3.setlayout (New GridLayout (2,1));        JPanel p3_1 = new JPanel ();        P3_1.setlayout (New GridLayout (1,6));        JButton Btn_ms = new JButton ("MS");        Btn_ms.setforeground (color.red);        JButton btn_1 = new JButton ("1");        Btn_1.setforeground (Color.Blue);        Btn_1.addactionlistener (this);        JButton btn_2 = new JButton ("2");        Btn_2.setforeground (Color.Blue);        Btn_2.addactionlistener (this);        JButton btn_3 = new JButton ("3");        Btn_3.setforeground (Color.Blue);        Btn_3.addactionlistener (this);        JButton btn_sub= New JButton ("-");        Btn_sub.setforeground (color.red);        JButton btn_reverse = new JButton ("1/x");        Btn_reverse.setforeground (Color.Blue); P3_1.add (Btn_ms);        P3_1.add (btn_1); P3_1.add (btn_2);        P3_1.add (Btn_3);        P3_1.add (btn_sub);p 3_1.add (btn_reverse);        JPanel p3_2 = new JPanel ();        P3_2.setlayout (New GridLayout (1,6));        JButton Btn_madd = new JButton ("m+");        Btn_madd.setforeground (color.red);        JButton btn_0= New JButton ("0");        Btn_0.setforeground (Color.Blue);        Btn_0.addactionlistener (this);        JButton Btn_singal = new JButton ("+/-");        Btn_singal.setforeground (Color.Blue);        Btn_singal.addactionlistener (this);        JButton Btn_dot = new JButton (".");        Btn_dot.addactionlistener (this);        JButton btn_add= New JButton ("+");        Btn_add.setforeground (color.red);        JButton btn_equal = new JButton ("=");        Btn_equal.setforeground (color.red);        P3_2.add (Btn_madd); P3_2.add (BTN_0);        P3_2.add (Btn_singal);        P3_2.add (Btn_dot);        P3_2.add (Btn_add);p 3_2.add (btn_equal);        P3.add (p3_1);p 3.add (p3_2); Con.add (p1); Con.add (p2); Con.add (P3);    SetVisible (TRUE);    } public void Press_dot () {tag=false; }

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Windows computer features Java source code