BlueJ Program On Palindromic Words In A Sentence

For Details of The Program: CLICK HERE

import java.io.*;

import java.util.*; 

class Prog3

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String str;

StringTokenizer st;

String s;

int i=0;

public void show()throws Exception

{

System.out.println("Enter the sentence:");

str=br.readLine().toUpperCase();

st=new StringTokenizer(str," .,?!");

while(st.hasMoreTokens())

{

s=st.nextToken();

if(palin(s))

System.out.print(" "+s);

}

if(i==0)

System.out.println("\nNo palindromic words"); else

System.out.println("\nNumber of palindromic words :"+i); }

private boolean palin(String s1)

{

int x,j,len;

len=s1.length();

x=len-1;

for(j=0;j< len/2;j++)

{

if(s1.charAt(j)!=s1.charAt(x))

break;

x--;

}

if(j< len/2)

return false;

else

           {

            i++;

return true;

  }

}

public static void main(String args[]) throws Exception

{

Prog3 ob=new Prog3();

ob.show();

}

}

2013 Computer Practical Paper: CLICK HERE