Java Utililty Methods Scanner Usage

while (scanner.hasNextLine()) {
    String line = scanner.nextLine().trim();
    if (line.startsWith("//")) {
        continue; 
    if (line.startsWith("/*")) { // multi line comment
        String skipLine = line;
        while (scanner.hasNextLine() && !skipLine.contains("*/")) { 
...

String line;
while (source.hasNextLine()) {
    line = source.nextLine();
    if (line.startsWith(COMMENT_STRING)) {
        continue;
    } else {
        final int commentIndex = line.indexOf(COMMENT_STRING);
        if (commentIndex < 0) {
...

String word = scan.nextLine();
return word.trim();

if (index >= str.length())
    return str.length();
String rem = str.substring(index, str.length());
Scanner s = new Scanner(rem);
s.useDelimiter(ignoreRegex);
String token = null;
while (s.hasNext() && (token = s.next()).length() == 0)
    ;
...

Scanner scanner = new Scanner(usernames);
scanner.useDelimiter(",");
int i = 0;
while (scanner.hasNext()) {
    scanner.next();
    i++;
return i;
...

StringBuilder programOutput = new StringBuilder();
Scanner scanner = new Scanner(valgrindOutput);
while (scanner.hasNextLine()) {
    String line = scanner.nextLine();
    if (!line.startsWith("==")) {
        programOutput.append(line);
        programOutput.append(System.getProperty("line.separator"));
return programOutput.toString();

Scanner scanner = new Scanner(string).useDelimiter(delimiter);
for (int i = 1; i < index; i++) {
    scanner.next();
return scanner.next();

Scanner scanner = new Scanner(System.in, "UTF-8");
System.out.println(prompt);
String str = scanner.nextLine().trim();
scanner.close();
return str;

String content;
if (scanner.hasNext()) { 
    content = scanner.next();
} else {
    content = "";
return content;

String val = props.getProperty(key);
if (val == null || val.trim().equals(""))
    return new String[0];
ArrayList<String> l = new ArrayList<String>(5);
Scanner s = new Scanner(val);
s.useDelimiter(sep);
while (s.hasNext()) {
    String v = s.next();
...