Capitilizer Transformer and Test

src/edu/macalester/comp124/stringtransformer/Capitalizer.java

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+package edu.macalester.comp124.stringtransformer;
+
+import java.lang.String;
+
+/**
+ * Created by KevinTang on 2/27/14.
+ */
+public class Capitalizer extends StringTransformer {
+    @Override
+    public String transform(String s) {
+        if(s.equals("")){
+            return "";
+        }
+        return s.substring(0,1).toUpperCase() + s.substring(1);
+    }
+
+
+    @Override
+    public String toString() {
+        return "First Letter Capitilized";
+    }
+
+
+
+}

test/edu/macalester/comp124/stringtransformer/CapitalizerTest.java

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+package edu.macalester.comp124.stringtransformer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Created by KevinTang on 2/27/14.
+ */
+public class CapitalizerTest {
+        private final StringTransformer firstlettercapitalizer = new Capitalizer();
+
+        @Test
+        public void handlesEmptyString() {
+            assertEquals("", firstlettercapitalizer.transform(""));
+        }
+
+        @Test
+        public void firstlettercapitalized() {
+            assertEquals("Zongle", firstlettercapitalizer.transform("zongle"));
+            assertEquals("There", firstlettercapitalizer.transform("there"));
+        }
+    }