13) count the
number of times the second word in second string occurs in first string-case
sensitive
input1=hai hello
hai where hai Hai;
input2=what hai
output=3;
package Set2;
import
java.util.StringTokenizer;
public class
ClassSET13 {
public static
void main(String[] args) {
      String input1="hai hello how are
you?? hai hai";            
      String input2="what hai";
      System.out.println(stringOccurance(input1,input2));
}
public static int
stringOccurance(String input1, String input2){
      int count=0;
      StringTokenizer t1=new
StringTokenizer(input2," ");
      String s1=t1.nextToken();
      String s2=t1.nextToken();
      StringTokenizer t2=new
StringTokenizer(input1," ");
      while(t2.hasMoreTokens()){
            if(t2.nextToken().equals(s2))
                  count++;    }
      return count;
}
}