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-
-
- /**
- * Created by dan on 6/14/17.
- */
- public class StringUtilities {
- /**
- * @return `Hello World` as a string
- */
- public static String getHelloWorld() {
- String hello = "Hello World";
- return hello;
- }
-
- /**
- * @param firstSegment a string to be added to
- * @param secondSegment a string to add
- * @return the concatenation of two strings, `firstSegment`, and `secondSegment`
- */
- public static String concatenation(String firstSegment, String secondSegment){
- String total = firstSegment + secondSegment;
- return total;
- }
-
- /**
- * @param firstSegment a string to be added to
- * @param secondSegment a string to add
- * @return the concatenation of an integer, `firstSegment`, and a String, `secondSegment`
- */
- public static String concatenation(int firstSegment, String secondSegment){
- String total = firstSegment + secondSegment;
- return total;
- }
-
- /**
- * @param input a string to be manipulated
- * @return the first 3 characters of `input`
- */
- public static String getPrefix(String input){
- String result = input.substring(0, 3);
- return result;
- }
-
- /**
- * @param input a string to be manipulated
- * @return the last 3 characters of `input`
- */
- public static String getSuffix(String input){
- String result = input.substring((input.length() - 3), (input.length()));
- return result;
- }
-
- /**
- * @param inputValue the value to be compared
- * @param comparableValue the value to be compared against
- * @return the equivalence of two strings, `inputValue` and `comparableValue`
- */
- public static Boolean compareTwoStrings(String inputValue, String comparableValue){
- int result = inputValue.compareTo(comparableValue);
- if (result == 0) {
- return true;
- } else {
- return false;}
- }
-
- /**
- * @param inputValue the value input from user
- * @return the middle character of `inputValue`
- */
- public static Character getMiddleCharacter(String inputValue){
- if ((inputValue.length() % 2) == 1) {
- char middle = inputValue.charAt((inputValue.length() / 2));
- return middle;
- } else {
- char middle = inputValue.charAt(((inputValue.length() / 2) - 1));
- return middle;
- }
- }
-
- /**
- * @param spaceDelimitedString a string, representative of a sentence, containing spaces
- * @return the first sequence of characters
- */
- public static String getFirstWord(String spaceDelimitedString){
- int i = spaceDelimitedString.indexOf(' ');
- String word = spaceDelimitedString.substring(0, i);
- return word;
- }
-
- /**
- * @param spaceDelimitedString a string delimited by spaces
- * @return the second word of a string delimited by spaces.
- */
- public static String getSecondWord(String spaceDelimitedString){
- int i = spaceDelimitedString.indexOf(' ');
- String newString = spaceDelimitedString.replace(spaceDelimitedString.substring(0, (i)), "");
- int j = newString.indexOf(' ');
- String word2 = newString.substring(1, newString.length());
- return word2;
- }
-
- /**
- * @param stringToReverse
- * @return an identical string with characters in reverse order.
- */
- public static String reverse(String stringToReverse){
- String reverse = "";
- for (int i = stringToReverse.length() - 1; i >=0; i--) {
- reverse = reverse + stringToReverse.charAt(i);
- }
- return reverse;
- }
- }
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