Java Program On Removal of Extra Spaces And Deleting A Word

For Details of The Program: CLICK HERE

import java.io.*;

import java.util.*;

class Str3

{

int x,i=0,c;

String s,st[],word;

StringTokenizer stk;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); public void takeString() throws Exception {

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

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

c=s.length();

if(s.charAt(c-1)!='.' && s.charAt(c-1)!='?'&& s.charAt(c-1)!='!')

{

System.out.println("Invalid Input.");

return;

}

stk=new StringTokenizer(s,".?! ");

x=stk.countTokens();

st=new String[x];

while(stk.hasMoreTokens())

{

st[i++]=stk.nextToken().trim();

}

s="";

System.out.println("Enter the word to be deleted:");

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

System.out.println("Enter the position of the word:");

c=Integer.parseInt(br.readLine());

if(!st[c-1].equals(word))

{

System.out.println("Invalid location.");

return;

}

for(i=0;i < c ; i++)

{

if(i!=c-1)

s=s+" "+st[i];

}

s=s+".";

System.out.println("OUTPUT:"+s);

} 

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

{

Str3 ob=new Str3();

ob.takeString();

} 

}

2014 Computer Practical Paper: CLICK HERE