1. •
 if
 if…else
 if
 switch-case
1

2. if
C Syntax Flowchart
if (condition) START
{
statement1;
: true
condition
statementN;
} false Statement
• condition Statement
int
• {} END
condition
• 2

3. if
#include <stdio.h> if1.c
int main()
{ YOUR HAVE
int i=25,j=18; PERMITION
if(i>j)
printf(“YOUR HAVE PERMITION"
getch();
return 0;
}
3

4. if…else
Flowchart C Syntax
START if (condition)
{
true false statementt1;
condition
statementt2;
Statementt1 Statementf1
}
else
Statementt2 Statementf2 {
statementf1;
statementf2;
END }
4

5. if…else
#include <stdio.h> ifelse1.c
int main()
{
int i=17,j=18;
YOUR HAVE NOT
if(i>j) PERMITION
printf(“YOUR HAVE PERMITION");
else
printf(“YOUR HAVE NOT PERMITION");
getch();
return 0;
}
5

6. if
if (x==1)
true Action1;
x==1 Action1;
false
else if (x==2)
x==2
true
Action2; Action2;
false else if (x==3)
true
x==3 Action3; Action3;
false
true
else if (x==4)
x==4 Action4;
false
Action4;
Default_Action; else
Default_Action;
6

7. if
#include <stdio.h> ifelse2.c
int main()
{
int i=8;
MORE
if(i>7) printf(“MORE THANTHAN 7 7");
else if(i>6) printf("MORE THAN 6");
else if(i>5) printf("MORE THAN 5");
else printf("1 , 2 , 3");
getch();
return 0;
}
7

8. switch-case
switch (x)
x==1
true
Action1;
{
case 1: Action1;
false
true break;
x==2 Action2;
case 2: Action2;
false
true
break;
x==3 Action3;
case 3: Action3;
false
true
break;
x==4 Action4; case 4: Action4;
false break;
Default_Action;
default: Default_Action;
break;
}
8

9. switch-case
#include <stdio.h>
int main() switch1.c
{
int i=2;
switch(i)
{
PRES
case 2 : printf(“PRESS 2"); S2
break;
case 1 : printf(“PRESS 1");
break;
default : printf("NO MATCH");
break;
}
getch();
return 0;
} 9