Data commit

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-1.java

@@ -0,0 +1 @@
+"    abc".stripLeading()

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-2.java

@@ -0,0 +1 @@
+"abc    ".stripTrailing()

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-3.java

@@ -0,0 +1 @@
+"    abc    ".strip()

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-4.java

@@ -0,0 +1 @@
+"    abc    ".trim()

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-5.java

@@ -0,0 +1,11 @@
+String removeLeading(String string, char[] characters) {
+    int index = 0;
+    for (char characterA : string.toCharArray()) {
+        for (char characterB : characters) {
+            if (characterA != characterB)
+                return string.substring(index);
+        }
+        index++;
+    }
+    return string;
+}

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-6.java

@@ -0,0 +1,9 @@
+String removeTrailing(String string, char[] characters) {
+    for (int index = string.length() - 1; index >= 0; index--) {
+        for (char character : characters) {
+            if (string.charAt(index) != character)
+                return string.substring(0, index + 1);
+        }
+    }
+    return string;
+}

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-7.java

@@ -0,0 +1,28 @@
+public class Trims{
+    public static String ltrim(String s) {
+        int i = 0;
+        while (i < s.length() && Character.isWhitespace(s.charAt(i))) {
+            i++;
+        }
+        return s.substring(i);
+    }
+
+    public static String rtrim(String s) {
+        int i = s.length() - 1;
+        while (i > 0 && Character.isWhitespace(s.charAt(i))) {
+            i--;
+        }
+        return s.substring(0, i + 1);
+    }
+
+    public static String trim(String s) {
+    	return rtrim(ltrim(s));
+    }
+
+    public static void main(String[] args) {
+        String s = " \t \r \n String with spaces \u2009 \t  \r  \n  ";
+        System.out.printf("[%s]\n", ltrim(s));
+        System.out.printf("[%s]\n", rtrim(s));
+        System.out.printf("[%s]\n", trim(s));
+    }
+}

Task/Strip-whitespace-from-a-string-Top-and-tail/Java/strip-whitespace-from-a-string-top-and-tail-8.java

@@ -0,0 +1,19 @@
+    public static String ltrim(String s) {
+        int offset = 0;
+        while (offset < s.length()) {
+            int codePoint = s.codePointAt(offset);
+            if (!Character.isWhitespace(codePoint)) break;
+            offset += Character.charCount(codePoint);
+        }
+        return s.substring(offset);
+    }
+
+    public static String rtrim(String s) {
+        int offset = s.length();
+        while (offset > 0) {
+            int codePoint = s.codePointBefore(offset);
+            if (!Character.isWhitespace(codePoint)) break;
+            offset -= Character.charCount(codePoint);
+        }
+        return s.substring(0, offset);
+    }