Job 5.2 Testing and encapsulation

Import java.awt.*;import java.awt.event.*;import javax.swing.*;p ublic class Size {public static void main (string[] Arg    s) {//TODO auto-generated method stub myframe f=new myframe ();    }}class MyFrame extends jframe{JLabel l1=new JLabel ("title:");    JLabel l2=new JLabel ("Number of input questions:");    JLabel l3=new JLabel ("Hint:");   JLabel l4=new JLabel ("");   Title JLabel l5=new JLabel ("The number of topics cannot be greater than 5");    Hint JTextField t1=new JTextField (6);    JButton b1=new JButton ("Start");    JButton b2=new JButton ("confirmation");    JButton b3=new JButton ("Next question");    JButton b4=new JButton ("Skin Change");    JPanel p1=new JPanel ();    int n=0,a,b,c,d,j,k,l,m=0,p;    Double result;    char[]h={' + ', '-', ' * ', '/'},h1={' (', ') ', '! '};    String s1,s2;    Color Col[]={color.blue,color.green,color.orange,color.pink,color.gray,color.red,color.light_gray};        MyFrame () {This.settitle ("arithmetic");        This.setsize (300,280);        This.setdefaultcloseoperation (Jframe.dispose_on_close);    This.add (p1);     P1.setlayout (NULL);        L1.setbounds (50, 20, 90, 30);        P1.add (L1);        L4.setbounds (140, 20, 150, 30);        P1.add (L4);        L2.setbounds (50, 70, 90, 30);        P1.add (L2);        T1.setbounds (150, 70, 90, 30);        P1.add (T1);        B4.setbounds (100, 110, 90, 30);        P1.add (B4);        B1.setbounds (10, 150, 90, 30);        P1.add (B1);        B2.setbounds (100, 150, 90, 30);        P1.add (B2);        B2.setenabled (FALSE);        B3.setbounds (190, 150,90,30);        P1.add (B3);        L3.setbounds (50, 200, 50, 30);        B3.setenabled (FALSE);        P1.add (L3);        L5.setbounds (100, 200, 180, 30);        P1.add (L5);        This.setvisible (TRUE);        This.setlocationrelativeto (NULL);        B1.addactionlistener (New B ());        B2.addactionlistener (New B ());        B3.addactionlistener (New B ());    B4.addactionlistener (New B ());          } class B implements ActionListener {@Override public void actionperformed (ActionEvent e) {  TODO auto-generated Method Stub if (E.getsource () ==b1) {p=n= (int) Double.parsedo                Uble (T1.gettext ());                System.out.print (n); if (n>5| | n<1) {Joptionpane.showmessagedialog (null, "the number of inputs cannot be greater than 5 or less than 1", "note", Joptionpane.informat                Ion_message);                    } else {b1.setenabled (false);                    B2.setenabled (TRUE);                    B3.setenabled (TRUE);                    L2.settext ("Input answer:");                    L5.settext (NULL);                    T1.settext (NULL);                Star ();                }} if (E.getsource () ==b2) {l= (int) double.parsedouble (T1.gettext ());                    if (L==result) {m++; S2= "The answer is right!                    ";                L5.settext (S2); } else{s2= "answer wrong!" The answer is: "+String.valueof (result);                L5.settext (S2);            } b2.setenabled (FALSE); } if (E.getsource () ==b3) {if (n==0) {joptionpane.sh Owmessagedialog (NULL, "Altogether" +p+ "Road topic".                    The correct number of questions is: "+m," "Score", joptionpane.information_message);                    B1.setenabled (TRUE);                    B2.setenabled (FALSE);                    B3.setenabled (FALSE);                    L2.settext ("Number of input questions:");                    L4.settext (NULL);                T1.settext (NULL);                    } else {l5.settext (null);                    T1.settext (NULL);                    Star ();                B2.setenabled (TRUE);                }} if (E.getsource () ==b4) {int i;                i= (int) (Math.random () *6);            P1.setbackground (Col[i]); }}} void Star () {a= (int) (Math.random () *10);        b= (int) (Math.random () *10);        c= (int) (Math.random () *10);        d= (int) (Math.random () *10);        j= (int) (Math.random ());        k= (int) (Math.random ());            if (d<0) {a= (int) (Math.random () *9+1);            S1=string.valueof (a) +string.valueof (h1[2]);            L4.settext (S1);            Result=1;            for (int i=1;i<=a;i++) {result=result*i; }} else {if (b>=0&&c>=0) {s1=string.valueof (a) +s                Tring.valueof (H[j]) +string.valueof (b) +string.valueof (H[k]) +string.valueof (c);                L4.settext (S1);                System.out.println (S1); } else if (b<0&&c>=0) {s1=string.valueof (a) +string.valueof (H[j]) +string                . ValueOf (H1[0]) +string.valueof (b) +string.valueof (h1[1]) +string.valueof (H[k]) +string.valueof (c);       L4.settext (S1);         System.out.println (S1); } else if (b>=0&&c<0) {s1=string.valueof (a) +string.valueof (H[j]) +string                . ValueOf (b) +string.valueof (H[k]) +string.valueof (h1[0]) +string.valueof (c) +string.valueof (h1[1]);                L4.settext (S1);                System.out.println (S1); } else {s1=string.valueof (a) +string.valueof (H[j]) +string.valueof (h1[0]) +string.value of (b) +string.valueof (h1[1]) +string.valueof (H[k]) +string.valueof (h1[0]) +string.valueof (c) +string.valueof (H1[1])                ;                L4.settext (S1);            System.out.println (S1); } if (k>1)//After the calculation is multiplication, first count the next two number {if (k==2) {ResU                    Lt=b*c;                } else if (k==3) {result=b/c;             } if (j==0) {result=result+a;   } else if (j==1) {result=a-result;                } else if (j==2) {result=a*result;                } else if (j==3) {result=a/result; }} else if (k<2) {if (j==0) {result=                B+a;                } else if (j==1) {result=a-b;                } else if (j==2) {result=a*b;                } else if (j==3) {result=a/b;                } if (k==0) result=result+c;            if (k==1) result=result-c;            }} System.out.println (Result);    n--; }}

Summary: This time and teammates have Cypress (http://www.cnblogs.com/cypress-zeng/) improved procedures, more than the last progress, hope the teacher corrected.

Job 5.2 Testing and encapsulation