ind factorial of a number in lex..............etc

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Objective
Program in “LEX” to count number of vowels and consonants .

%{
int count1=0;
int count2=0;
%}
%%
aIeIiIoIu {printf(%s is vowel,yytext);count1++;}
{printf(%s is constonant,yytext);count2++;}
.I\n {ECHO;}
%%
main()
{
yylex();
printf(%d Vowel =%d constonant=,count1,count2);
}
..............etc

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import java.io.*;
class Broom
{
int length,width,height;
Broom(int l,int w,int h)
{
length=l;
width=w;
height=h;
}
int volume()
{
return(length*width*height);
}
}
class Kroom extends Broom
{
Kroom(int l,int w,int h)
{
super(l,w,h);
}
void display()
{
System.out.println(Volume is:+volume());
}
}

class Nbroom1
{
public static void main(String args)throws IOException
{
DataInputStream dis=new DataInputStream(System.in);
System.out.println(enter the parametrs of bedroom);
System.out.println(ent..............etc

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Objective
Program in “LEX” to count number of Characters, Words, Lines.

%{
int nchar=0,nword=0,nline=0;
#include
%}
%%
\n {nline++;nchar++;}
+ {nword++;nchar+=yyleng;}
. {nchar++;}
%%
int main()
{
yylex();
printf(%d%d%d,nchar,nword,nline);
}
..............etc

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Objective
Program in “C/Lex” to check whether Identifier is valid or not
#include
#include
void main()
{
clrscr();
int i=0,j=0,flag=1;
char ch,ip;
while((ch=getchar())!='\n')
{
ip=ch;
i++;
}
ip='*';
if((ip>='a'&&ip<='z')||(ip>='A'&&ip<='Z'))
{
j++;
while(ip!='*')
{
if((ip>='a'&&ip<='z')||(ip>='A'&&ip<='Z')||(ip>='0'&&ip<='9')||ip=='_')
{
j++;
}
else
{
flag=0;
goto loop;
}
}
}
else
flag=0;
lo..............etc

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lex program to recognise and count number of identifiers in a given file ?..............etc

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Objective
Program in “LEX” to count number of Identifiers and Keywords.

digit
letter
%{
int count1=0;
int count2=0;
%}
%%
intI
floatI
char {count++;printf(%s is keyword,yytext);}
{letter}I({letter}I{digit})*{count2++;}
+ {printf(%s is not keyword,yytext);}
.I\n {ECHO;}
%%
main()
{
yylex();
printf(%d no of keyword %d no of id,count1,count2);
}
..............etc

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//QuadEqn.java
package p;
interface Quadratic
{
void process();
}
public class QuadEqn implements Quadratic
{
double a,b,c,d;
public QuadEqn(double x,double y,double z)
{
a=x;
b=y;
c=z;
}
public void process()
{

d=b*b-(4*a*c);
if(d==0)
{
double r=-b/2*a;
System.out.println(Roots are equal.Root=\t+r);
}
else
if(d>0)
{
double sq=Math.sqrt(d);
double r1=(-b+sq)/2*a;
double r2=(-b-sq)/2*a;
System.out.println(Root1=\t+r1+\nRoot2=\t+r2);
}
else
System.out.pri..............etc

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could you please send me the lex program to specify decimal numbers..............etc

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Objective
Program in “LEX” to count the verb in a given line of text.

%{
%}
%%
isI
areI
amI printf(%s is verb,yytext );
+ {printf(%s is not a verb,yytext);}
.I\n {ECHO;}
%%
main()
{
yylex();
}
..............etc

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