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-
- /**
- * Created by Curtis on 10/18/18.
- */
- 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);
- }
-
- /**
- * @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){
- return inputValue.equals(comparableValue);
- }
-
- /**
- * @param inputValue the value input from user
- * @return the middle character of `inputValue`
- */
- public static Character getMiddleCharacter(String inputValue){
- int halfOfStringLength = 0;
- if(inputValue.length() % 2 == 0) {
- halfOfStringLength = (inputValue.length() / 2) - 1;
- } else {
- halfOfStringLength = inputValue.length() / 2;
- }
-
- char middleCharacter = inputValue.charAt(halfOfStringLength);
- return middleCharacter;
- }
-
- /**
- * @param spaceDelimitedString a string, representative of a sentence, containing spaces
- * @return the first sequence of characters
- */
- public static String getFirstWord(String spaceDelimitedString){
- String firstWord = " ";
- for(int i = 0; i < spaceDelimitedString.length(); i++) {
- if(Character.isWhitespace(spaceDelimitedString.charAt(i))) {
- firstWord = spaceDelimitedString.substring(0, i);
- break;
- }
- }
-
- return firstWord;
- }
-
- /**
- * @param spaceDelimitedString a string delimited by spaces
- * @return the second word of a string delimited by spaces.
- */
- public static String getSecondWord(String spaceDelimitedString){
- String secondWord = " ";
- int beginningOfSecondWord = 0;
- //int endOfSecondWord = 0;
- for(int i = 0; i < spaceDelimitedString.length(); i++) {
- if(Character.isWhitespace(spaceDelimitedString.charAt(i))) {
- beginningOfSecondWord = i;
- break;
- }
- }
-
- /*
- spaceDelimitedString = spaceDelimitedString.substring(beginningOfSecondWord + 1, spaceDelimitedString.length() - 1);
- for(int i = 0; i < spaceDelimitedString.length(); i++) {
- if(!Character.isWhitespace(spaceDelimitedString.charAt(i))) {
- endOfSecondWord = i;
- break;
- }
- }
- secondWord = spaceDelimitedString.substring(beginningOfSecondWord, endOfSecondWord);
- */
-
- secondWord = spaceDelimitedString.substring(beginningOfSecondWord + 1, spaceDelimitedString.length());
- return secondWord;
- }
-
- /**
- * @param stringToReverse
- * @return an identical string with characters in reverse order.
- */
- public static String reverse(String stringToReverse){
- StringBuilder reverseOrder = new StringBuilder();
- for(int i = 0; i < stringToReverse.length(); i++) {
- reverseOrder.insert(0, stringToReverse.charAt(i));
- }
- return reverseOrder.toString();
- }
- }
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