I could not reproduce your claim that BufferedReader
skips empty lines; it should NOT have.
Here are snippets to show that empty lines aren't just skipped.
String text = "line1\n\n\nline4";
BufferedReader br = new BufferedReader(new StringReader(text));
String line;
int lineNumber = 0;
while ((line = br.readLine()) != null) {
System.out.printf("%04d: %s%n", ++lineNumber, line);
}
String text = "line1\n\n\nline4";
LineNumberReader lnr = new LineNumberReader(new StringReader(text));
String line;
while ((line = lnr.readLine()) != null) {
System.out.printf("%04d: %s%n", lnr.getLineNumber(), line);
}
String text = "line1\n\n\nline4";
Scanner sc = new Scanner(text);
int lineNumber = 0;
while (sc.hasNextLine()) {
System.out.printf("%04d: %s%n", ++lineNumber, sc.nextLine());
}
The output for any of the above snippets is:
0001: line1
0002:
0003:
0004: line4
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