Data commit

Task/Repeat-a-string/Java/repeat-a-string-1.java

@@ -0,0 +1 @@
+"ha".repeat(5);

Task/Repeat-a-string/Java/repeat-a-string-2.java

@@ -0,0 +1,5 @@
+String[] strings = new String[5];
+Arrays.fill(strings, "ha");
+StringBuilder repeated = new StringBuilder();
+for (String string : strings)
+    repeated.append(string);

Task/Repeat-a-string/Java/repeat-a-string-3.java

@@ -0,0 +1,5 @@
+String string = "ha";
+StringBuilder repeated = new StringBuilder();
+int count = 5;
+while (count-- > 0)
+    repeated.append(string);

Task/Repeat-a-string/Java/repeat-a-string-4.java

@@ -0,0 +1,10 @@
+public static String repeat(String str, int times) {
+    StringBuilder sb = new StringBuilder(str.length() * times);
+    for (int i = 0; i < times; i++)
+        sb.append(str);
+    return sb.toString();
+}
+
+public static void main(String[] args) {
+    System.out.println(repeat("ha", 5));
+}

Task/Repeat-a-string/Java/repeat-a-string-5.java

@@ -0,0 +1,3 @@
+public static String repeat(String str, int times) {
+   return new String(new char[times]).replace("\0", str);
+}