That’s because the Scanner.nextInt method does not read the newline character in your input created by hitting “Enter,” and so the call to Scanner.nextLine returns after reading that newline. You will encounter the similar behaviour when you use Scanner.nextLine after Scanner.next() or any Scanner.nextFoo method (except nextLine itself). Workaround: Either put a Scanner.nextLine call after … Read more
How to append text to an existing file in Java?
That’s because the Scanner.nextInt method does not read the newline character in your input created by hitting “Enter,” and so the call to Scanner.nextLine returns after reading that newline. You will encounter the similar behaviour when you use Scanner.nextLine after Scanner.next() or any Scanner.nextFoo method (except nextLine itself). Workaround: Either put a Scanner.nextLine call after … Read more
How do I read / convert an InputStream into a String in Java?
you need to use Scanner scan = new Scanner(new File(your_file)); and scan the file using while(scan.hasNext()). place your counter inside the loop and count the lines,words and characters.
What you see is the bytes rendered as ISO-8859-1 or similar. Try setting charset in content-type response.setContentType(“text/html; charset=utf-8″);, include appropriate meta-tag <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ /> What are you using to generate that page?
Both FileWriter and FileOutputStream have a constructor taking a boolean append as argument. Use this constructor with append set to true. Reading the javadoc helps finding the solution for simple problems like that. Java also has a tutorial for almost everything. Google for someSubject Java tutorial, and you’ll find them.
You want to skip 1 line but this will skip two lines: for(int i = 0; i <= 1; i++) Also your code is unnecessarily complicated, something like this is easier to follow: String line = br.readLine(); // read first line br.readLine(); // skip 2nd line while((line = br.readLine()) != null) // read the rest … Read more
printf() prints to stdout. You need to fopen() that file and then use fprintf() with the returned from fopen() FILE* pointer as the first argument. /* Open the file for writing */ FILE* fp = fopen(“filename.txt”, “w”); /* Check for errors */ if (fp == NULL) { /* Notify the user of the respective error … Read more