count no of words in string

i want to count the no words in a String

e.g
I am the best of all
output:
6

i am not getting how to make this work,plzzzz give some idea

Look at how to use the string method split(...)

thanks for your advice

Code:

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import java.io.*;

class wor
{
        public static void main(String ar[]) throws IOException
        {
               
                DataInputStream d= new DataInputStream(System.in);
                System.out.println("enter the string");
                String s=d.readLine();
                int words=0;
                String arr[]= new String[25];
                arr=s.split(" ");
                       
                System.out.println("no of words in the line are"+arr.length);
        }
}

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but i want to make String array size dyanamic

Code:

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String arr[]= new String[25];

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i want to remove all the commos and fullstop and al lpuntations sign to be removed before it stored
e.g i like you, i am sorry.
it should be stored as
arr[]={"i","like","you","i","am","sorry"}
i.e by removing cooma and full stop

Quote:

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i want to make String array size dyanamic

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Arrays must be given a fixed size when they are defined.
There are classes that work like arrays that are dynamic: ArrayList

Quote:

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want to remove all the commos and fullstop

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The String split method will do that.

Quote:

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Originally Posted by Norm

The String split method will do that.

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will substring method do it

Code:

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for(int i=0;i<arr.length;i++)
{
      arr[i]=arr[i].subString(0,arr[i].lenght());
}

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Quote:

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will substring method do it

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Yes, it will do something, not sure.
Why don't you write a short simple program and test it and see what you get.

You can use:
System.out.println(java.util.Arrays.toString(arr)) ; // to show contents of array

it worked thanks norm :(y):

Code:

---

import java.io.*;

class wor
{
        public static void main(String ar[]) throws IOException
        {
               
                DataInputStream d= new DataInputStream(System.in);
                System.out.println("enter the string");
                String s=d.readLine();
                int words=0;
                String arr[]= new String[25];
                arr=s.split(" ");
                        //System.out.println(java.util.Arrays.toString(arr)) ;
                for(int i=0;i<arr.length;i++)
                {
                                int j=arr[i].length();
                                if((arr[i].contains(","))||(arr[i].contains(".")))
                                      arr[i]=arr[i].substring(0,j-1);
                }
                //System.out.println(java.util.Arrays.toString(arr)) ;
                System.out.println("no of words in the line are"+arr.length);
        }
}

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i want to calculate time taken by user to enter each word
eg: he is great
output
he 30
is 20
great 60

i made a code which use to calculate time taken by user to enter a line but now want to make time taken by user to enter each word

Code:

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import java.io.*;
import java.util.*;
class type
{
        public static void main(String ar[]) throws IOException
        {
                Scanner s= new Scanner(System.in);
                DataInputStream d= new DataInputStream(System.in);
                int no;
                String str;
                System.out.println("\n\n\n\n\t\t\t\t\tTypeing speed contest\n\n\n\n");
                System.out.println("type the below given line\n\n i love you and i will kill you");
                System.out.println("when your are ready press 1");
                no=s.nextInt();
               
                Date d1 = new Date();
                long l1=d1.getTime();
                System.out.println("time 1="+l1);
                str=d.readLine();
                Date d2 = new Date();
                long l2=d2.getTime();
                System.out.println("time 2="+l2);
                double time= (double)l2-l1;
                System.out.println("time ="+time);
                time=time/100;
                time=time/60;       
                System.out.println("time ="+time);
                double len=str.length();
                double speed=len/time;
                System.out.println("your typing speed is="+(long)speed+"charaters/min");
        }
}

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give me some clue to do this program

Quote:

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want to make time taken by user to enter each word

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See the System class's currentTimeMillis method to capture the current time.

Quote:

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See the System class's currentTimeMillis method to capture the current time.

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i not getting clue how to use System class's currentTimeMillis or Date class getTime because i need to get time after every word is entered(i.e after every space and carrage return)

If you get the time before a task and the time after the task, then you can subtract to get ...

Quote:

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Originally Posted by Norm

If you get the time before a task and the time after the task, then you can subtract to get ...

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yes but i how will i take before every word is entered as i am reading a line not words

You can't. Why on earth do you need that?

Quote:

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Originally Posted by Junky

You can't. Why on earth do you need that?

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thanks for the reply