123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101 |
- import java.util.*;
-
- /**
- * 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(2,5);
- }
-
- /**
- * @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.equals(comparableValue)){
- 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) == 0) {
- return inputValue.charAt(((inputValue.length()/2)-1));
- } else return inputValue.charAt((inputValue.length()/2));
- }
-
- /**
- * @param spaceDelimitedString a string, representative of a sentence, containing spaces
- * @return the first sequence of characters
- */
- public static String getFirstWord(String spaceDelimitedString){
- String str[] = spaceDelimitedString.split(" ",2);
- String firstWord = str[0];
- 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 str[] = spaceDelimitedString.split(" ",2);
- String firstWord = str[1];
- return firstWord;
- }
-
- /**
- * @param stringToReverse
- * @return an identical string with characters in reverse order.
- */
- public static String reverse(String stringToReverse){
- StringBuilder str = new StringBuilder();
- str = str.append(stringToReverse);
- str = str.reverse();
- String stringReversed = str.toString();
- return stringReversed;
- }
- }
|