Java Utililty Methods Scanner Usage

List of utility methods to do Scanner Usage

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Description

The list of methods to do Scanner Usage are organized into topic(s).

Method

ListgetStrings(Scanner sc, int n)
get Strings 
List<String> result = new ArrayList<>(n);
for (int i = 0; i < n; i++) {
    result.add(sc.nextLine());
return result;
intgetTimeAsInt(String duration)
get Time As Int 
if (!isValueValid(duration, PATTERN_TIME) || duration.length() == 0) {
    throw new IllegalArgumentException(duration + " is not a time type");
if (duration.endsWith(":")) {
    duration += " ";
Scanner s = new Scanner(duration);
int res = 0;
...
StringgetTypedValue(String question)
get Typed Value 
System.out.println(question);
String msgRead = scan.nextLine();
return msgRead;
Stringinput(String message)
input 
out(NEW_LINE, message + ": ");
return scanner.nextLine();
Stringinput(String prompt)
input 
String input;
System.out.println(prompt);
Scanner scanner = new Scanner(System.in);
input = scanner.nextLine();
return input.trim();
booleanisInteger(String s)
is Integer 
return isInteger(s, 10);
booleanisNumeric(String str)
is Numeric 
Scanner scanner = new Scanner(str);
boolean flag = scanner.hasNextInt();
scanner.close();
return flag;
booleanisValueValid(String value, String pattern)
is Value Valid 
Scanner s = new Scanner(value);
try {
    s.next("^(" + pattern + ")$");
    return true;
} catch (InputMismatchException ex) {
    return false;
booleanisYes(String str)
is Yes 
return getYesNoAsInt(str) == 1 ? true : false;
Iterableiterate(final String node)
Returns an Iterable over a node's path components. 
return new Iterable<String>() {
    @Override
    public Iterator<String> iterator() {
        return new Scanner(node).useDelimiter("/");
};