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How to get Details of a File using StreamTokenizer class in Core Java

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In this tutorial how to get details of a file using StreamTokenizer class in Core Java  is shown.



import java.io.*;

public class StreamTokenizerDemo
public static void main(String args[]) throws IOException
FileReader freader = new FileReader(“Demo.txt”);
StreamTokenizer st = new StreamTokenizer(freader);

double sum=0;
int numWords=0,numChars=0;

while(st.nextToken() != st.TT_EOF)
if(st.ttype == StreamTokenizer.TT_NUMBER)
else if(st.ttype == StreamTokenizer.TT_WORD)

System.out.println(“Sum of total number in the file: “+sum);
System.out.println(“Total words in the file: “+numWords);
System.out.println(“Number of characters available in words: “+numChars);

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