Package com.owenfeehan.pathpatternfinder.patternelements

Class StringUtilities

Object

com.owenfeehan.pathpatternfinder.patternelements.StringUtilities

public class StringUtilities
extends Object

Utilities functions to help with reversing strings and other string operations.

Author:

Owen Feehan

Method Summary

Modifier and Type	Method	Description
static boolean	atLeastOneNonEmptyStr(List<String> list)	Checks if there is any non-empty string in a list.
static String	reverse(String str)	Returns a new string, whose characters appear in reverse order.
static List<String>	reverseStringsInList(List<String> list)	Reverse every string in a list, but do not change the order of elements in the list.
static Set<String>	reverseStringsInSet(Set<String> set)	Reverse every string in a set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

reverseStringsInList

public static List<String> reverseStringsInList(List<String> list)

Reverse every string in a list, but do not change the order of elements in the list.

Parameters:

list - input-list

Returns:

a new list with the reversed-strings as elements (in identical order as the input)

reverseStringsInSet

public static Set<String> reverseStringsInSet(Set<String> set)

Reverse every string in a set.

Parameters:

set - input-set

Returns:

a new set with the reversed-strings as elements (in identical order as the input)

reverse

public static String reverse(String str)

Returns a new string, whose characters appear in reverse order.

Parameters:

str - input-string

Returns:

a new string with characters in reverse order

atLeastOneNonEmptyStr

public static boolean atLeastOneNonEmptyStr(List<String> list)

Checks if there is any non-empty string in a list.

Parameters:

list - input-list

Returns:

true iff there's at least one non-empty string