rna-transcription: rename "ofDna" with "transcribe"

exercises/rna-transcription/src/example/java/RnaTranscription.java

@@ -1,8 +1,8 @@
 public class RnaTranscription {
 
-    public String ofDna(String strand) {
+    public String transcribe(String dnaStrand) {
         StringBuilder sb = new StringBuilder();
-        for (char c : strand.toCharArray()) {
+        for (char c : dnaStrand.toCharArray()) {
             switch (c) {
                 case 'A':
                     sb.append('U');

exercises/rna-transcription/src/main/java/RnaTranscription.java

@@ -1,5 +1,5 @@
 public class RnaTranscription {
-    public String ofDna(String dnaString) {
+    public String transcribe(String dnaStrand) {
         throw new UnsupportedOperationException("Method has not been implemented yet.");
     }
 }

exercises/rna-transcription/src/test/java/RnaTranscriptionTest.java

@@ -14,36 +14,36 @@ public void setUp() {
 
     @Test
     public void testRnaTranscriptionOfEmptyDnaIsEmptyRna() {
-        Assert.assertEquals("", rnaTranscription.ofDna(""));
+        Assert.assertEquals("", rnaTranscription.transcribe(""));
     }
 
     @Ignore("Remove to run test")
     @Test
     public void testRnaTranscriptionOfCytosineIsGuanine() {
-        Assert.assertEquals("G", rnaTranscription.ofDna("C"));
+        Assert.assertEquals("G", rnaTranscription.transcribe("C"));
     }
 
     @Ignore("Remove to run test")
     @Test
     public void testRnaTranscriptionOfGuanineIsCytosine() {
-        Assert.assertEquals("C", rnaTranscription.ofDna("G"));
+        Assert.assertEquals("C", rnaTranscription.transcribe("G"));
     }
 
     @Ignore("Remove to run test")
     @Test
     public void testRnaTranscriptionOfThymineIsAdenine() {
-        Assert.assertEquals("A", rnaTranscription.ofDna("T"));
+        Assert.assertEquals("A", rnaTranscription.transcribe("T"));
     }
 
     @Ignore("Remove to run test")
     @Test
     public void testRnaTranscriptionOfAdenineIsUracil() {
-        Assert.assertEquals("U", rnaTranscription.ofDna("A"));
+        Assert.assertEquals("U", rnaTranscription.transcribe("A"));
     }
 
     @Ignore("Remove to run test")
     @Test
     public void testRnaTranscription() {
-        Assert.assertEquals("UGCACCAGAAUU", rnaTranscription.ofDna("ACGTGGTCTTAA"));
+        Assert.assertEquals("UGCACCAGAAUU", rnaTranscription.transcribe("ACGTGGTCTTAA"));
     }
 }