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@@ -1,4 +1,4 @@
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-
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+import java.lang.*;
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/**
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* An introduction to Strings and String methods.
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*
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@@ -15,7 +15,7 @@ public class StringParser
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*/
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public static String upperCaseString(String s)
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{
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- return null;
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+ return s.toUpperCase();
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}
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/**
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@@ -26,7 +26,7 @@ public class StringParser
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* @return String
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*/
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public static String lowerCaseString(String s) {
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- return null;
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+ return s.toLowerCase();
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}
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/**
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@@ -37,7 +37,7 @@ public class StringParser
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* @return String
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*/
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public static Character getFirstCharacter(String s) {
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- return null;
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+ return s.charAt(0);
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}
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/**
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@@ -49,7 +49,7 @@ public class StringParser
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* @return String
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*/
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public static Character getNthCharacter(String s, Integer n) {
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- return null;
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+ return s.charAt(n);
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}
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/**
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@@ -60,7 +60,9 @@ public class StringParser
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* @return String
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*/
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public static String upperCaseFirstCharacter(String s) {
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- return null;
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+
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+ s = s.substring(0,1).toUpperCase() + s.substring(1).toLowerCase();
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+ return s;
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}
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/**
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@@ -72,7 +74,13 @@ public class StringParser
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* @return String
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*/
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public static String camelCaseString(String s) {
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- return null;
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+ String camelStr = new String();
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+
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+ String[] arrS = s.split(" ",0);
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+ for(String str : arrS)
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+ camelStr += str.substring(0,1).toUpperCase() + str.substring(1).toLowerCase();
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+
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+ return camelStr;
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}
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/**
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@@ -84,7 +92,10 @@ public class StringParser
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* @return String
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*/
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public static String snakeCaseString(String s) {
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- return null;
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+ String snake = new String();
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+ s = s.toLowerCase();
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+ snake = s.replaceAll(" ","_");
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+ return snake;
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}
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/**
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@@ -95,13 +106,13 @@ public class StringParser
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* @return String
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*/
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public static Integer getLength(String s) {
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- return null;
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+ return s.length();
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}
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/**
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* Takes in two strings and returns true if they are equal
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- * E.G. example and shelf would return false.
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- * cat and CaT would return false.
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+ * E.G. example and shelf would return false.
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+ * cat and CaT would return false.
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* Dog and Dog would return true
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*
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* @param s1
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@@ -109,13 +120,13 @@ public class StringParser
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* @return String
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*/
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public static Boolean isEqual(String s1, String s2) {
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- return null;
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+ return s1.equals(s2);
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}
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/**
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* Takes in two strings and returns true if they are equal
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- * E.G. example and shelf would return false.
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- * cat and CaT would return true.
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+ * E.G. example and shelf would return false.
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+ * cat and CaT would return true.
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* Dog and Dog would return true
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*
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* @param s1
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@@ -123,6 +134,6 @@ public class StringParser
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* @return String
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*/
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public static Boolean isEqualIgnoreCase(String s1, String s2) {
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- return null;
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+ return s1.equalsIgnoreCase(s2);
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}
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}
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