Page 639 - Computer science 868 Class 12
P. 639

19        { w1=st.nextToken();
                   20          w="";l=w1.length();

                   21          for(int i=0;i<l;i++)
                   22          { char ch=w1.charAt(i);
                   23            w=ch+w;

                   24          }

                   25         ps=ps+(w1+w)+" ";
                   26
                   27        }

                   28       System.out.println("New sentence "+ps);
                   29      }

                   30
                   31      public static void main()

                   32      { Palindrome ob=new Palindrome();
                   33        ob.input();

                   34        ob.convert();
                   35              }

                   36          }
                   37      }


                 Output of the preceding program is as follows:

                 Enter sentence
                 Rahul is a boy
                 New sentence RahulluhaR issi aa boyyob


                   Program 26    Calculate Frequency of a given word using String Tokenizer
                                 A  sentence is accepted from the user along with a word. Find out its frequency in the given
                                 sentence using string tokenizer. Also print the total number of tokens.


                   1       class Freq
                   2       { String s,w;

                   3         int c;
                   4       Freq()

                   5       { s="";c=0;}
                   6       void input()

                   7       { Scanner sc=new Scanner(System.in);




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                                                                                                   Internal Assessment  637
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