1 files changed, 43 insertions, 0 deletions
diff --git a/src/main/java/com/mavlushechka/a1qa/utils/StringUtils.java b/src/main/java/com/mavlushechka/a1qa/utils/StringUtils.java
new file mode 100644
index 0000000..cbce72f
--- /dev/null
+++ b/src/main/java/com/mavlushechka/a1qa/utils/StringUtils.java
@@ -0,0 +1,43 @@
+package com.mavlushechka.a1qa.utils;
+
+import java.util.Random;
+
+public class StringUtils {
+
+    private StringUtils() {
+    }
+
+    public static String convertToConstantCase(String text) {
+        StringBuilder stringBuilder = new StringBuilder();
+        String[] words = text.split(" ");
+
+        for (int i = 0; i < words.length; i++) {
+            stringBuilder.append(words[i].toUpperCase());
+            if (i != words.length-1) {
+                stringBuilder.append("_");
+            }
+        }
+
+        return stringBuilder.toString();
+    }
+
+    public static String capitalizeFirstLetter(String text) {
+        return text.substring(0, 1).toUpperCase() + text.substring(1);
+    }
+
+    public static int removeNonDigits(String text) {
+        return Integer.parseInt(text.replaceAll("[^0-9]+", ""));
+    }
+
+    public static String generateRandomText(int lettersLowerBound, int lettersUpperBound, int length) {
+        return new Random().ints(lettersLowerBound, lettersUpperBound + 1)
+                .limit(length)
+                .collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append)
+                .toString();
+    }
+
+    public static String replaceByStars(String text) {
+        return "*".repeat(text.length());
+    }
+
+}