import java.io.*;
class ppa
{
public static void main(String z[]) throws IOException
{
int n,ch,d,r=0,t,i;boolean pr;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
do
{
System.out.println("Check Menu\n1.Palindrom\n2.Prime\n3.Armstrong\n4.Exit\nEnter your Choice : ");
ch = Integer.parseInt(br.readLine());
switch(ch)
{
case 1 :
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
t=n;
r=0;
while(t>0)
{
d = t % 10;
r = (r * 10) + d;
t = t / 10;
}
if (r == n )
{System.out.println("Number is Palindrom");}
else
{System.out.println("Number is Not a Palindrom");}
break;
case 2:
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
pr = true;
for(i=2;i<n;i++)
{
if(n % i==0)
{pr=false;}
}
if (pr==true)
{System.out.println("Number is Prime");}
else
{System.out.println("Number is Not a Prime");}
break;
case 3:
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
t=n;
r=0;
while(t>0)
{
d=t%10;
r=r+(d*d*d);
t=t/10;
}
if (r==n)
{System.out.println("Number is Armstrong");}
else
{System.out.println("Number is Not a Armstrong");}
break;
case 4:System.exit(0);
}
}while(ch!=4);
}
}
save it as ppa.java enjoy
class ppa
{
public static void main(String z[]) throws IOException
{
int n,ch,d,r=0,t,i;boolean pr;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
do
{
System.out.println("Check Menu\n1.Palindrom\n2.Prime\n3.Armstrong\n4.Exit\nEnter your Choice : ");
ch = Integer.parseInt(br.readLine());
switch(ch)
{
case 1 :
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
t=n;
r=0;
while(t>0)
{
d = t % 10;
r = (r * 10) + d;
t = t / 10;
}
if (r == n )
{System.out.println("Number is Palindrom");}
else
{System.out.println("Number is Not a Palindrom");}
break;
case 2:
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
pr = true;
for(i=2;i<n;i++)
{
if(n % i==0)
{pr=false;}
}
if (pr==true)
{System.out.println("Number is Prime");}
else
{System.out.println("Number is Not a Prime");}
break;
case 3:
System.out.println("Enter your Number : ");
n = Integer.parseInt(br.readLine());
t=n;
r=0;
while(t>0)
{
d=t%10;
r=r+(d*d*d);
t=t/10;
}
if (r==n)
{System.out.println("Number is Armstrong");}
else
{System.out.println("Number is Not a Armstrong");}
break;
case 4:System.exit(0);
}
}while(ch!=4);
}
}
save it as ppa.java enjoy
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