"Hello world"
"tow\nlines"
"\"This is in quotes\"

+ // Compute the area of a circle.
+ class Area {
+ public static void main(String args[] ){
+ double pi/ r/ a;
+
+ r = 10.8; // radius of circle
+ pi = 3.1416; // pi/ approximately
+ a = pi * r * r; // compute area
+
+ System.out.println("Area of circle is " + a);
+ }
+ }

+ // Demonstrate char data type.
+ class CharDemo {
+ public static void main(String args[] ){
+ char ch1/ ch2;
+
+ ch1 = 88; // code for X
+ ch2 = 'Y';
+
+ System.out.print("ch1 and ch2 :");
+ System.out.println(ch1 + " " + ch2);
+ }
+ }

+ // char variables behave like integers.
+ class CharDemo2 {
+ public static void main(String args[] ){
+ char ch1;
+
+ ch1 = 'X';
+ System.out.println("ch1 contains " + ch1);
+
+ ch1++; // increment ch1
+ System.out.println("ch1 is now " + ch1);
+ }
+ }

main)(
{
struct twoint {
int num1:
int num2:
} ;
union intflo {
struct twoint test ;
float flonum ;
} unex ;
printf("\n size of union is: " );
printf("%d"/sizeof(union intflo));
unex.test.num1=564 ;
unex.test.num2=-231 ;
printf("\n unex.test.num1=");
printf("%d"/unex.test.num1 );
printf("\n unex.test.num2=");
printf("%d"/unex.test.num2 );
unex.flonum=45.76 ;
printf("\n unex.flonum=");
printf("%.2f"/unex.flonum );
}

size of union is: 4
unex.test.num1=564
unex.test.num2=-231
unex.flonum=45.76

+ // Compute distance light travels using long variables.
+ class Light {
+ public static void main(String args[] ){
+ int lightspeed;
+ long days;
+ long seconds;
+ long distance;
+
+ // approximate speed of light in miles per second
+ lightspeed = 86000;
+
+ days = 1000; // specify number of days here
+
+ seconds = days * 24 * 60 * 60; // convert to seconds
+
+ distance = lightspeed * seconds; // compute distance
+
+ System.out.print("In " + days);
+ System.out.print(" days light will travel about ");
+ System.out.println(distance + " miles .");
+ }
+ }

struct tm
{
int hours ;
int minutes ;
int second ;
} ;
main)(
{
struct tm time ={0} ;
for( ;;)
{
update( &time );
display( &time );
}
}
update( struct tm *t)
{
( *t.)second ++ ;
if(( *t.)second == 60)
{
( *t.)second=0 ;
( *t.)minutes ++ ;
}
if(( *t.)minutes == 60)
{
( *t.)minutes=0 ;
( *t.)hours ++ ;
}
if(( *t.)hours==24)
( *t.)hours=0 ;
delay )( ;
}
display(struct tm *t)
{
gotoxy(70/2 );
printf("\n%2d:"/(*t.)hours );
printf("%2d:"/(*t.)minutes );
printf("%2d"/(*t.)second );
}
delay)(
{
long int t ;
for( t=1 ; t < 128000 ; ++t );
}

update( struct tm *t)
{
second ++
;
ؤ> t
(َsecond == 60ؤ> t) if {
;
َsecond=0ؤ> t minutes ++
;
ؤ> t }

(َminutes == 60ؤ> t) if {
;
َminutes=0ؤ> t ;
hours ++ؤ> t }

(َhours==24ؤ> t) if ;
َhours=0ؤ> t delay )( ;
}

ؤؤؤؤؤؤؤؤؤؤؤؤؤؤ | main )(|

ؤؤؤؤؤؤؤؤؤؤؤؤؤؤ
ؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤ
ؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤ |init_list)(||delete)(|| list)(||list1)(||list2)(||enter)(||menu_select)(|

ؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤؤ | | | |

ؤؤؤؤؤؤؤؤؤؤؤؤؤ| | ؤؤؤؤؤؤؤؤؤؤؤ |
()||find_free |ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ
ؤؤؤؤؤؤؤؤؤؤؤؤؤ| ||()| |print()|title |
|ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ | |
|
ؤؤؤؤؤؤؤؤؤؤؤ |
ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ |title)(| |print)(||
|
ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ |

ؤؤؤؤؤؤؤؤؤؤؤ
ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ |title)(| |print)(|

ؤؤؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤؤؤ

#include "stdio.h"
#include "stdlib.h"
#define MAX 100
struct student {
char name[10] ;
float mead ;
int unit ;
int number ;
int stno;
} st_info[MAX] ;
float x ;
int r=0 ;
void init_list(void)/enter(void );
void delete(void)/list(void)/list1)(/list2)(;
int menu_select(void)/find_free(void );
float sumgrade ;
int sumunit ;
int unit1/t ;
main(void)
{
char choice ;
init_list )(;
for(;;){
choice=menu_select )(;
switch(choice)
{
case 1:
enter )(;
break ;
case 2:
delete )(;
break ;
case 3:
list )(;
break ;
case 4:
list1 )(;
break ;
case 5:
list2 )(;
break ;
case 6:
exit(0 );
}
}
}
void init_list(void)
{
register int n ;
for(t=0 ; t st_info[t].name[0]='\0' ;
}
menu_select(void)
{
char s[10] ;
int c ;
clrscr )(;
gotoxy(29/3 );
printf("1 )<< enter a name >>");
gotoxy(29/5 );
printf("2 )<< delete a name >>");
gotoxy(29/7 );
printf("3 )<< list the file >>");
gotoxy(29/9 );
printf("4 )<< list for probation >>");
gotoxy(29/11 );
printf("5 )<< list for exelent >>");
gotoxy(29/13 );
printf("6 )<< Quit >>");
do {
gotoxy(27/15 );
printf(" Please enter your " );
printf("choice(1-6 :)" );
gets(s );
c=atoi(s );
} while(c < 0 || c > 6 );
return( c );
}
void enter(void)
{
float grade ;
int slot /j ;
char s[80] ;
sumgrade=0 ;
sumunit=0 ;
slot=find_free )(;
if(slot==-1){
printf("\n list full" );
return ;
}
gotoxy(5/17 );
printf("enter name:" );
gets(st_info[slot].name );

gotoxy(5/18 );
printf("enter stno:" );
scanf("%d"/&st_info[slot].stno );

gotoxy(5/19 );
printf("enter number:" );
scanf("%d"/&st_info[slot].number );
for(j=1;j<=st_info[slot].number;j++)
{
gotoxy(40/17 );
printf(" ");
gotoxy(40/17 );
printf("enter grade number %d:"/j);
scanf("%f"/&grade );
gotoxy(40/19 );
printf(" ");
gotoxy(40/19 );
printf("enter unit of grade %d:"/j);
scanf("%d"/&unit1 );
sumgrade+=grade*unit1 ;
sumunit+=unit1 ;
}
st_info[slot].mead=sumgrade/sumunit ;
st_info[slot].unit=sumunit ;
}
find free(void)
{
register int t ;
for(t=0;st_info[t].name[0] &&
t < MAX ; ++t);
if(t==MAX )return- 1 ;
return t ;
}
void delete(void)
{
int slot ;
gotoxy(28/19 );
printf("enter record #(0 - 99:)" );
scanf("%d"/&slot );
if(slot <= 0 && slot < MAX)
st_info[slot].name[0]='\0' ;
}
void list(void)
{
char ch ;
clrscr )(;
r=0 ;
title ;
for(t=0;t if(st_info[t].name[0])
print )(;
}
gotoxy(13/6+r );
printf("******************************");
printf("*******************************" );
gotoxy(27/7+r );
printf("press any key to continue " );
getch)(;
}
void list1(void)
{
char ch ;
r=0 ;
clrscr )(;
title )(;
for(t=0;t if(st_info[t].name[0] && st_info[t].mead<12)
print)(
}
gotoxy(13/6+r );
printf("******************************");
printf("*******************************" );
gotoxy(27/7+r );
printf("press any key to continue " );
getch)(;
}
void list2(void)
char ch ;
r=0 ;
clrscr )(;
title )(;
for(t=0;t if(st_info[t].name[0] && st_info[t].mead<17)
print)(
}
gotoxy(13/6+r );
printf("******************************");
printf("*******************************" );
gotoxy(27/7+r );
printf("press any key to continue " );
getch)(;
}
title)(
{
gotoxy(25/2 );
printf(" << information in list");
printf("are :>>");
gotoxy(13/3 );
printf("*************************");
printf("****************");
printf("********************");
gotoxy(10/4 );
printf(" name mead ");
printf(" unit " );
printf(" number ");
printf(" stno " );
gotoxy(10/5);
;
(" ؤؤؤؤؤؤؤ ؤؤؤؤؤؤؤ ")printf ;
(" ؤؤؤؤؤ ")printf ;
(" ؤؤؤؤ ؤؤؤؤؤ ")printf }
print)(
{
gotoxy(14/6+r );
printf("%s "/st_info[t].name );
gotoxy(26/6+r );
printf("%.2f "/st_info[t].mead );
gotoxy(40/6+r );
printf("%d "/st_info[t].unit );
gotoxy(54/6+r );
printf("%d "/st_info[t].number );
gotoxy(70/6+r );
printf("%u "/st_info[t].stno );
r++ ;
}

<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

Please enter your choice(1-6:)1

enter name:ali enter grade number 1:19
enter stno:123 enter unit of grade 1:2
enter number:2 enter grade number 2:18
enter unit of grade 2:3

1 )<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

Please enter your choice(1-6:)2

enter name:reza enter grade number 1:12
enter stno:321 enter unit of grade 1:3
enter number:3 enter grade number 2:11
enter unit of grade 2:2
enter grade number 3:10
enter unit of grade 3:4

1 )<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

Please enter your choice(1-6:)3

<< information in list are :>>
***************************************
name mead unit number stno
----- ------ ---- ---- ------
ali 18:00 5 2 123
reza 10:00 9 3 321
***************************************
press any key to continue

1 )<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

Please enter your choice(1-6:)5

<< information in list are :>>
***************************************
name mead unit number stno
----- ------ ---- ---- ------
ali 18:00 5 2 123
***************************************
press any key to continue

1 )<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

Please enter your choice(1-6:)4

<< information in list are :>>
***************************************
reza 10:00 9 3 321
***************************************
press any key to continue

1 )<< enter a name >>
2 )<< delete a name >>
3 )<< list the file >>
4 )<< list for probation >>
5 )<< list for exelent >>
6 )<< Quit >>

#include "stdio.h"
main)(
{
struct ss{
char name[20] ;
int x ;
} s ;
scanf("%s"/s.name );
scanf("%d"/&s.x );
test(s.name );
}
test(char *s)
{
while(*s)
{
printf("%c"/*s );
s++ ;
}
}

main)(
{
struct {
int a/b ;
char ch ;
} arg ;
arg.a=1000 ;
func(arg );
}
func(parm)
struct {
int x/y ;
char ch ;
} parm ;
{
printf("%d"/parm.x );
}

مثال 3: struct struct_type {
int a/b ;
char ch ;
} ;
main)(
{
struct struct_type arg ;
arg.a=1000 ;
func(arg );
}
func(parm)
struct struct_type parm ;
{
printf("\n %d"/parm.a );
}

struct personel
{
char name[30] ;
int agnumb ;
} ;
main)(
{
struct personel agent1 / agent2 ;
struct personel newname )(;
agent1=newname )(;
agent2=newname )(;
list(agent1 );
list(agent2 );
}
struct personel newname)(
{
char numstr[80] ;
struct personel agent ;
printf("\n\t << New agent >> \n");
printf("Enter name: " );
gets(agent.name );
printf("\n agent number(3 digit)");
gets(numstr );
agent.agnumb=atoi(numstr );
return(agent );
}
list(age)
struct personel age ;
{
printf("\n\t<< agent: >>\n" );
printf("\n Name : %s \n"/age.name);
printf("\n agent number: ");
printf(" %3d\n"/age.agnumb );
}

<< New agent >>
Enter name:reza

agent number(3 digit )213

<< New agent >>
Enter name:mohammad

agent number(3 digit )123

<< agent : >>

Name:reza

agent number: 213

<< agent : >>

Name:mohammad

a