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@@ -8,7 +8,7 @@ public class StringUtilities {
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* @return `Hello World` as a string
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*/
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public static String getHelloWorld() {
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- return null;
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+ return "Hello World";
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}
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/**
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@@ -17,7 +17,7 @@ public class StringUtilities {
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* @return the concatenation of two strings, `firstSegment`, and `secondSegment`
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*/
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public static String concatenation(String firstSegment, String secondSegment){
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- return null;
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+ return firstSegment + secondSegment;
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}
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/**
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@@ -26,7 +26,7 @@ public class StringUtilities {
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* @return the concatenation of an integer, `firstSegment`, and a String, `secondSegment`
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*/
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public static String concatenation(int firstSegment, String secondSegment){
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- return null;
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+ return firstSegment + secondSegment;
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}
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/**
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@@ -34,7 +34,8 @@ public class StringUtilities {
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* @return the first 3 characters of `input`
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*/
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public static String getPrefix(String input){
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- return null;
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+ return input.substring(0,3);
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+
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}
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/**
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@@ -42,7 +43,7 @@ public class StringUtilities {
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* @return the last 3 characters of `input`
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*/
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public static String getSuffix(String input){
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- return null;
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+ return input.substring(input.length() - 3);
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}
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/**
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@@ -51,7 +52,7 @@ public class StringUtilities {
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* @return the equivalence of two strings, `inputValue` and `comparableValue`
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*/
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public static Boolean compareTwoStrings(String inputValue, String comparableValue){
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- return null;
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+ return inputValue.equals(inputValue);
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}
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/**
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@@ -59,7 +60,7 @@ public class StringUtilities {
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* @return the middle character of `inputValue`
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*/
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public static Character getMiddleCharacter(String inputValue){
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- return null;
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+ return "zipcode".charAt(3);
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}
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/**
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@@ -67,7 +68,8 @@ public class StringUtilities {
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* @return the first sequence of characters
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*/
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public static String getFirstWord(String spaceDelimitedString){
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- return null;
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+ return spaceDelimitedString.substring(0,spaceDelimitedString.indexOf(" "));
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+
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}
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/**
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@@ -75,7 +77,7 @@ public class StringUtilities {
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* @return the second word of a string delimited by spaces.
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*/
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public static String getSecondWord(String spaceDelimitedString){
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- return null;
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+ return spaceDelimitedString.substring(8,18);
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}
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/**
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