Computer Practical Report Class12

8/15/2019 Computer Practical Report Class12

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PROGRAM NO-1

AIM: To demonstrate classes and objects

INPUT REQUIRED: Bank account details

OUTPUT EXPECTED: Balance and/or details

#include

#include

#include

int n, am;

class bank { char name[8!;

int acc"no;

enum acctpe{$,%&;

'oid account"tpe(int n);

*loat balance;

public+

*loat add"bal(*loat n);

*loat ithdral (*loat k);

'oid initial(); 'oid displa();

&acc;

*loat bank++ add"bal(*loat n)

{

cout


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{cout


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sitch(n)

{

case $03 + cout


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break;

case ?+ cout


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PROGRAM NO-2

AIM: = pro7ram to print student details usin7 constructor and

destructor.

INPUT REQUIRED: $tudent @etails

OUTPUT REQUIRED: $tudent @etails

Computer Science Department/PSBE 5 2015-16


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#include

#include

class stu

{

pri'ate+ char name[:!,add[:!;

int roll,Eip;

public+ stu ( );//%onstructor

Fstu( );//@estructor

'oid read( );

'oid disp( );

&;

stu ++ stu( )

{

cout


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coutEip;

&

'oid stu ++ disp( )

{

cout


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PROGRAM NO-3

AIM: Dro7ram to de*ine the classes D65$J, K=L6 and

$T4@6T M to access the essential data usin7 multiple inheritance

INPUT REQUIRED: $tudent details

OUTPUT REQUIRED: $tudent details ith 7rade

#include

#include

#include

class person{ char name[:3!;



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int a7e;

public+

'oid indata()

{cout


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cout


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{

outdata();

cout


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'oid putdata()

{cout


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i*(strcmp(nm,-.-)R1)

strcp(name,nm);

i*(strcmp(cl,-.-)R1)

strcp(%lass,cl);

i*(mks R123)

{ marks1mks;

i*(marks>1NC) 7rade19=9;

else i*(marks>1P) 7rade19B9;

else i*(marks>1C) 7rade19%9;

else i*(marks>1A) 7rade19@9;

else 7rade19@9; &&

'oid main()

{ *stream *io(-stu.dat-,ios++inios++outios++binar);

int rno;lon7 pos;char *ound19*9;

coutrno;

hile(R*io.eo*())

{ pos1*io.tell7();*io.read((charS)Ms3,siEeo*(s3) );

i*(s3.7etrno()11rno)

{ s3.modi*();



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*io.seek7(pos);

*io.rite((charS)Ms3,siEeo*(s3));

*ound19t9;

break; &&

i* (*ound119*9)

cout


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PROGRAM NO-5

AIM: Dro7ram *or deletin7 a record in a *ile.

INPUT REQUIRED: 5ollno o* the student hose record has to be

deleted.

OUTPUT REQUIRED: @etails o* the record.

#include

#include

#include

#include



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cin>>marks;

i*(marks>1NC)

7rade19=9;

else i*(marks>1P)

7rade19B9;

else i*(marks>1C)

7rade19%9;

else i*(marks>1A)

7rade19@9;

else

7rade19Q9; &

'oid putdata()

{ cout


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&s3,stud;

int main()

{ i*stream *io(-stu.tt-,ios++in);

o*stream *ile(-temp.tt-,ios++out);

int rno;

char *ound1 9*9,con*irm19n9;

coutrno;

hile(R*io.eo*())

{ *io.read((charS)Ms3,siEeo*(s3));

i*(s3.7etrno()11rno)

{ s3.putdata();

*ound19t9;

cout


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cin>>con*irm;

i*(con*irm119n9)

*ile.rite((charS)Ms3,siEeo*(s3)); &

else

*ile.rite((charS)Ms3,siEeo*(s3));

&

i*(*ound119*9)

cout


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PROGRAM NO-6

AIM: To count the number o* uppercase alphabets in a *ile.

INPUT REQUIRED: = sentence/para7raph /ord.

OUTPUT REQUIRED: The number o* uppercase alphabets.

#include

#include

#include

'oid main( )

{ clrscr( );

i*stream *in;

o*stream *out;



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*in.open(-=5T%U6.TVT-,ios++in);

*out.open(-=5T%U6.TVT-,ios++out);

char ch,mline[3!;int uppercount1;

cout


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PROGRAM NO-7

AIM: To *ind the output o* the 7i'en pro7ram, hich utiliEes pointers

INPUT REQUIRED: one

OUTPUT REQUIRED: To be *ound b eecutin7 the pro7ram

#include

#include

int main( )

{



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int ;

int =rra[!1{A,P,3,3:&;

int Spointer1=rra;

*or(13;


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cout


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c%ar Ptr+e,t

int en(t%tren*+e,t

or*Counter"en(t%- 2Counter2Ptr

*PtrCountertoupper**PtrCounter

int main*

int Poition0

c%ar :ea(e.;Pointer


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PROGRAM NO-9

AIM: Dro7ram to insert a element in a arra.

INPUT REQUIRED: =rra element and a 'alue.

OUTPUT REQUIRED: =rra ith the inserted element.

#include

#include

int Qindpos(int [ !, int, int);

int main()

{ int ar[C!,T6L,,inde;



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013;

coutch;

&

cout


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cin>>n;

cout


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PROGRAM NO-11

AIM: To sort the 7i'en arra usin7 insertion sort.

INPUT REQUIRED: =rra elements.

OUTPUT REQUIRED: $orted arra.

#include

#include

'oid inssort(int[!,int);

int main()



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{ int ar[C!,item,n,inde;

coutn;

cout


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PROGRAM NO-12

AIM: To sort an arra o* inte7ers on the basis o* di7its at oneYs place.

INPUT REQUIRED: =rra 6lements.

OUTPUT REQUIRED: =ltered =rra.

#include

#include

const int arra"siEe13;

int main()



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{ int numbers[3!;

inti,j,temp;

cout


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cout


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{ clrscr();

int a[?![?!,b[?![?!,i,j;

cout


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&

&

PROGRAM-14

AIM: rite a *unction in %00 hich accepts a :@ arra o* inte7ers and

its siEe as ar7uments and displas the elements o* middle ro and the

elements o* middle column.

INPUT REQUIRED: =rra 6lements

OUTPUT REQUIRED: 6lements o* middle ro and middle column

#include

#include



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*or(int j1;j


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PROGRAM NO-15

AIM:

rite *unction in %00 hich accepts an inte7er arra and siEe asar7uments and assi7n 'alues into a :@ arra o* inte7ers in the *olloin7

*ormat +

* the arra is 3, :, ?.The resultant :@ arra is 7i'en +

3 : ?

3 :

3

INPUT REQUIRED: nte7er arra



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OUTPUT REQUIRED: :2@ arra

#include

#include

int main()

{

int a[3C!;

int n;

coutn;

cout


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int b[n![n!;

*or (int i1;i


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{ int stack[C!,item,top123,res;

char ch199;

hile(ch1199ch1199)

{ coutitem;

res1push(stack,top,item);

i*(res1123)

{ cout


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cin>>ch; &

return ;

&

int push(int stack[!, intMtop, int ele)

{ i*(top11C23)

return 23;

else

{ top00;

stack[top!1ele; &

return ;

&

int pop(int stack[!,intMtop)

{ int ret;

i*(top1123)

return 23;

else

{ ret1stack[top!;&

top22; &

return ret;

& 'oid displa(int stack[!, int top)

{ i*(top1123)

cout


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&Stop,Sneptr,Ssa'e,Sptr;

nodeScreatenenode(int);

'oid push(nodeS);

'oid displa(nodeS);

'oid pop();

int main()

{ top14UU;

int in*;

char ch199;

hile(ch1199ch1199)

{ coutin*;

neptr1createnenode(in*);

i*(neptr114UU)

{ cout


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do

{ coutnet14UU;

return ptr;

&

'oid push(nodeSnp)

{ i*(top114UU)

top1np;else

{ sa'e1top;

top1np;



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np2>net1sa'e;

&

&

'oid pop()

{ i*(top114UU)

cout


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PROGRAM NO-18

AIM: Dro7ram *or static2ueue operation.

INPUT REQUIRED: \ueue elements.

OUTPUT REQUIRED: @etails o* the ueue.

#include



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#include

int 5emo'e(int [!);

int nsert(int [!,int);

'oid @ispla(int[!, int, int);

const siEe1C;

int \ueue[siEe!, *ront123, rear123;

'oid main()

{

clrscr();

int tem, res,choice;

char ch199;

hile(ch1199ch1199)

{ couttem;

res1nsert(\ueue,tem);

i*(res1123)

{



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cout


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else

cout


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else

{ rear00;

\ueue[rear!1ele; &

return ;

&

//@eletion

int 5emo'e (int \ueue[!)

{ int ret;

i* (*ront1123)

return 23;

else

{

ret 1\ueue[*ront!;

i* (*ront11rear)

*ront1rear123;

else

*ront00; &



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return ret; &

//@ispla

'oid @ispla(int \ueue[!,int *ront, int rear)

{

i* (*ront1123)

{ cout


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PROGRAM NO-19

AIM: To insert and delete in the 7i'en dnamic ueue.

INPUT REQUIRED: Uinked ueue, element.

OUTPUT REQUIRED: @ispla o* linked ueue a*ter insertion and

deletion.

#include

#include



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struct ode { int in*o;

ode S net;

& S*ront, Sneptr, Ssa'e, Sptr, Srear;

odeScreate(int n)

{ ptr1ne ode;

ptr2>in*o1n; ptr2>net14UU;

return ptr;

&

'oid displa(odeSnp)

{ hile(npR14UU)

{ cout


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&

'oid delnode()

{ i*(*ront114UU)

cout


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eit(3); &

nsert(neptr);

coutch;

&

sstem(-cls-);

do

{cout


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S QL 1

Ta!" S"#$"% a#$ %"&'('"#)

%reate database table;

use table;

create table sender;

( $ender@ inte7er,

$endername char(?),

$ender=ddress char(A),

$ender%it char(:)

);

nsert into sender

]alues ( 3,Y5^ain;,Y=B% aptsY,Ye @elhiY);//Jther 'alues ha'e been

inserted usin7 the same commandsselectS*rom sender;

create table recipient

( 5ecd int,

$enderd int,

5e%ame char(3C),



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A#+: $elect rec@, $enderame, $ender=ddress, 5ecame, 5ec=ddress

*rom $ender, 5ecipient here $ender.$enderid15ecipient.5enderd;

,'''* To displa the sender details in ascendin7 order o* $enderame.

A#+: $elect S *rom $ender order b $enderame;

,'* To displa number o* 5ecipients *rom each cit.

A#+: $elect 5ec%it,%ount(S) *rom 5ecipient 7roup b 5ec%it;

SQL2

Ta!" ../+ a#$ I++"$

TJ %56=T6 T=BU6 BJJ_$+

%reate database book;



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%56=T6 T=BU6 %J$KJ5

( %nor %X=5(?),

%norame %X=5(?), %nor =ddress %X=5(?),

%it %X=5(?));

$65T TJ %J$KJ5(%nor@,%norame,%nor=ddress,%it)

]=U46$(`@3Y,Y5 sin7halY,Y:A,=B% 6ncla'e `,Y6 @6UXY);

=UU JTX65 ]=U46$ =56 $65T6@ $LU=5U

%J$KJ5

%56=T6 T=BU6 %J$K66

( %nee@ %X=5(?),

%nor@ %X=5(?),

%neeame %X=5(?),

%nee=ddress %X=5(?),

%nee%it %X=5(?))



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$65T TJ

%J$K66(%nee@,%nor@,%neeame,%nee=ddress,%nee%it)

]=U46$ (`L4CY,Y@3Y,Y5ahul_ishore`,YC,Dark

a'enueY,L4LB=Y);

=UU JTX65 ]=U46$ =56 $65T6@ $LU=5U

QUERIES:

,'* To displa the names o* all consi7nors *rom Lumbai.

A#++ $elect %norame *rom %onsi7nor here cit1GLumbaiG;

,''* To displa the cnee@, cnorame, cnor=ddress, %neeame,

%nee=ddress *or e'er %onsi7nee.

A#+: $elect %need, %norame, %nor=ddress, %neeame,

%nee=ddress *rom %onsi7nor,%onsi7nee here

%onsi7nor.%nord1%onsi7nee.%nord;



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,'''* To displa the consi7nee details in ascendin7 order o* %neeame.

A#+: $elect S *rom %onsi7nee

Jrder b %neeame =sc;

,'* To displa number o* consi7nors *rom each cit.

A#+ $elect cit, count(S) *rom %onsi7nor 7roup b cit;



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SQL 4

Ta!" I)" a#$ C+)."%

%onsider the *olloin7 tables tem and %ustomer. rite $\U commands

*or the statement (i) to (i') and 7i'e outputs *or $\U ueries (') to ('iii)

T6L

CUSTOMER

(i) To displa the details o* those %ustomers hose cit is @elhi.

=ns+ $elect all *rom %ustomer here %it1G@elhiG



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Computer Practical Report Class12