first commit

Word Sandwich/wordSandwich.java

@@ -0,0 +1,27 @@
+public class wordSandwich {
+    private String[] wordSandwiches;
+
+    public wordSandwich(String str1, String str2) {
+        makeAllSandwiches(str1, str2);
+    }
+
+    private void makeAllSandwiches(String str1, String str2) {
+        wordSandwiches = new String(str1.length() - 1);
+        for(int i = 0; i < wordSandwiches.length; i++) {
+            wordSandwiches[i] = makeSandwich(str1, str2, i + 1);
+        }
+    }
+
+    private String makeSandwich(String str1, String str2, int n) {
+        return str1.substring(0, n) + str2 + str1.substring(n);
+    }
+
+    public String[] getFillings(int start, int end) {
+        String[] result = new String(wordSandwiches.length);
+        for(int i = 0; i < wordSandwiches.length; i++) {
+            result[i] = wordSandwiches[i].substring(start, end);
+        }
+
+        return result;
+    }
+}