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Rajbir Bhullar
1 Answer(s)      4 years and 5 months ago
Posted in : Java Beginners

Write a program called FileWords that reads words from a text file and displays all the non-duplicate words in ascending order.

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December 6, 2012 at 11:59 AM

Here is a java example that reads words from a text file and displays all the non-duplicate words in ascending order.

import java.util.*;

class FileWords 
    public static void main(String[] args) throws Exception
        Scanner input=new Scanner(;
        System.out.println("Enter File name with path: ");
        File f=new File(filename);
        BufferedReader br=new BufferedReader(new FileReader(f));
        StringBuffer buffer=new StringBuffer();
        String str;
        buffer.append(" ");
        ArrayList<String> list=new ArrayList<String>();
        StringTokenizer st = new StringTokenizer(buffer.toString().toLowerCase());
                while(st.hasMoreTokens()) {
                        String s = st.nextToken();
        HashSet<String> set = new HashSet<String>(list);
        List<String> arrayList = new ArrayList<String>(set);
        for (Object ob : arrayList)


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FileWords  Write a program called FileWords that reads words from a text file and displays all the non-duplicate words in ascending order
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