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-
-
- /**
- * Created by dan on 6/14/17.
- */
- public class StringUtilities {
- /**
- * @return `Hello World` as a string
- */
- public static String getHelloWorld() {
- return "Hello World";
- }
-
- /**
- * @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){
- return firstSegment + secondSegment;
- }
-
- /**
- * @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){
- return firstSegment + secondSegment;
- }
-
- /**
- * @param input a string to be manipulated
- * @return the first 3 characters of `input`
- */
- public static String getPrefix(String input){
- return input.substring(0, 3);
- }
-
- /**
- * @param input a string to be manipulated
- * @return the last 3 characters of `input`
- */
- public static String getSuffix(String input){
- return input.substring(input.length()-3, input.length());
- }
-
- /**
- * @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){
- if (inputValue == comparableValue){
- return true;
- }
-
- return false;
- }
-
- /**
- * @param inputValue the value input from user
- * @return the middle character of `inputValue`
- */
- public static Character getMiddleCharacter(String inputValue){
- int total = (inputValue.length()) / 2;
- if (inputValue.length() % 2 == 0){
- total -= 1;
- }
-
- return inputValue.charAt(total);
- }
-
- /**
- * @param spaceDelimitedString a string, representative of a sentence, containing spaces
- * @return the first sequence of characters
- */
- public static String getFirstWord(String spaceDelimitedString){
- String first = "";
- String space = " ";
-
- for (int i = 0; i < spaceDelimitedString.length(); i++){
- if (spaceDelimitedString.charAt(i) == space.charAt(0)){
- break;
- }
- first += spaceDelimitedString.charAt(i);
- }
-
- return first;
- }
-
- /**
- * @param spaceDelimitedString a string delimited by spaces
- * @return the second word of a string delimited by spaces.
- */
- public static String getSecondWord(String spaceDelimitedString){
- String second = "";
- String space = " ";
- boolean word = false;
-
- for (int i = 0; i < spaceDelimitedString.length(); i++){
-
-
- if (spaceDelimitedString.charAt(i) == space.charAt(0) && word == true){
- break;
- }
-
- second += spaceDelimitedString.charAt(i);
-
- if (spaceDelimitedString.charAt(i) == space.charAt(0) && word == false){
- second = "";
- }
- }
-
- return second;
- }
-
- /**
- * @param stringToReverse
- * @return an identical string with characters in reverse order.
- */
- public static String reverse(String stringToReverse){
- String reversedStr = "";
- reversedStr += stringToReverse.substring(stringToReverse.length());
- for (int i = stringToReverse.length() - 1; i >= 0; i--){
- reversedStr += stringToReverse.substring(i, i + 1);
- }
-
- return reversedStr;
- }
- }
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