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Task/Reverse-words-in-a-string/Java/reverse-words-in-a-string-1.java

@@ -0,0 +1,22 @@
+public class ReverseWords {
+
+    static final String[] lines = {
+        " ----------- Ice and Fire ----------- ",
+        "                                      ",
+        " fire, in end will world the say Some ",
+        " ice. in say Some                     ",
+        " desire of tasted I've what From      ",
+        " fire. favor who those with hold I    ",
+        "                                      ",
+        " ... elided paragraph last ...        ",
+        " Frost Robert ----------------------- "};
+
+    public static void main(String[] args) {
+        for (String line : lines) {
+            String[] words = line.split("\\s");
+            for (int i = words.length - 1; i >= 0; i--)
+                System.out.printf("%s ", words[i]);
+            System.out.println();
+        }
+    }
+}

Task/Reverse-words-in-a-string/Java/reverse-words-in-a-string-2.java

@@ -0,0 +1,39 @@
+package string;
+
+import static java.util.Arrays.stream;
+
+public interface ReverseWords {
+  public static final String[] LINES = {
+    " ----------- Ice and Fire ----------- ",
+    "                                      ",
+    " fire, in end will world the say Some ",
+    " ice. in say Some                     ",
+    " desire of tasted I've what From      ",
+    " fire. favor who those with hold I    ",
+    "                                      ",
+    " ... elided paragraph last ...        ",
+    " Frost Robert ----------------------- "
+  };
+
+  public static String[] reverseWords(String[] lines) {
+    return stream(lines)
+      .parallel()
+      .map(l -> l.split("\\s"))
+      .map(ws -> stream(ws)
+        .parallel()
+        .map(w -> " " + w)
+        .reduce(
+          "",
+          (w1, w2) -> w2 + w1
+        )
+      )
+      .toArray(String[]::new)
+    ;
+  }
+
+  public static void main(String... arguments) {
+    stream(reverseWords(LINES))
+      .forEach(System.out::println)
+    ;
+  }
+}