import java.io.*;
class Arraysum
{
int temp;
int sum(int a,int n)
{
if(n==1)
return a;
else
{
temp =sum(a,n-1);
temp=temp+a;
return temp;
}
}
}
class Newarray
{
public static void main(String args)throws IOException
{
DataInputStream dis=new DataInputStream(System.in);
System.out.println(Enter limit);
int n=Integer.parseInt(dis.readLine());
int a=new int;
System.out.println(Enter the array);


fo ....etc

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import java.io.*;
class Vroom
{
int length,width,height;
Vroom()
{
length=width=height=0;
}
Vroom(int l,int w,int h)
{
length=l;
width=w;
height=h;
}
Vroom(Vroom v)
{
length=v.length;
width=v.width;
height=v.height;
}
int volume()
{
return(length*width*height);
}
}


class Newv
{
public static void main(String args)throws IOException
{
DataInputStream dis=new DataInputStream(System.in);
System.out.println(enter the length);
....etc

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Algorithm:-
begin
if a,e,I,o,u or A,E,I,O,U
then
printf “It is a vowel”
else
printf “It is a consonant”
end

1. LEX program to count number of vowels and consonants in a given input string

%%
{printf(“it is vowel”);}
{printf(“it is consonant”);}
%%
main()
{
yylex();
}
int yywrap()
{
return 1;
}


Output:

$./a.out
a
it is a vowel
g
it is a consonant
....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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PROGRAM TO FIND THE SUM OF ARRAY USING RECURSION ....etc

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Aim:
To write a C# program to perform encryption and decryption of the given data.

Algorithm
ALGORITHM FOR ENCRYPTION:
Step 1: Declare the class as encrypt_class.
Step 2: Start the main function.
Step 3: Declare the variable str in string data type.
Step 4: Create the object for inbuild encryption
algorithm TripleDESCryptoServiceProvider.
Step 5: Create the data file using Filestream
class.
Step 6: Create the object for class cryptoStream.
Cryptostream is a class to ....etc

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import java.io.*;
class Factorial
{
int fact(int n)
{
if(n<=1)
return 1;
else
return (n*fact(n-1));
}
}
class Newfact
{
public static void main(String args)throws IOException
{
DataInputStream dis=new DataInputStream(System.in);
System.out.println(Enter the number);
int i=Integer.parseInt(dis.readLine());
Factorial f=new Factorial();
System.out.println(Factorial is+f.fact(i));
}
}



OUTPUT

E:\ 5BCA-B\lijo\java >javac Newfact.java
Note: Newfact.ja ....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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import java.io.*;
class Area
{
void area(int l,int b)
{
int ar=l*b;
System.out.println(Area of rectangle=+ar);
}
void area(double r,double h)
{
double ar=(3.14*r*r*h);
System.out.println(Area of circle=+ar);
}
void area(int a)
{
int ar=a*a;
System.out.println(Area of square=+ar);
}
void area(float b,float h)
{
double ar=0.5*b*h;
System.out.println(Area of triangle=+ar);
}
}



class Newar
{
public static void main(String args)throws IOException
{
Area r=new Area();
DataInputStream ....etc

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

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