Initial data commit

Task/Compare-length-of-two-strings/Java/compare-length-of-two-strings-1.java

@@ -0,0 +1,3 @@
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;

Task/Compare-length-of-two-strings/Java/compare-length-of-two-strings-2.java

@@ -0,0 +1,16 @@
+void printCompare(String stringA, String stringB) {
+    if (stringA.length() > stringB.length()) {
+        System.out.printf("%d %s%n", stringA.length(), stringA);
+        System.out.printf("%d %s%n", stringB.length(), stringB);
+    } else {
+        System.out.printf("%d %s%n", stringB.length(), stringB);
+        System.out.printf("%d %s%n", stringA.length(), stringA);
+    }
+}
+
+void printDescending(String... strings) {
+    List<String> list = new ArrayList<>(List.of(strings));
+    list.sort(Comparator.comparingInt(String::length).reversed());
+    for (String string : list)
+        System.out.printf("%d %s%n", string.length(), string);
+}

Task/Compare-length-of-two-strings/Java/compare-length-of-two-strings-3.java

@@ -0,0 +1,54 @@
+package stringlensort;
+
+import java.io.PrintStream;
+import java.util.Arrays;
+import java.util.Comparator;
+
+public class ReportStringLengths {
+
+    public static void main(String[] args) {
+        String[] list = {"abcd", "123456789", "abcdef", "1234567"};
+        String[] strings = args.length > 0 ? args : list;
+
+        compareAndReportStringsLength(strings);
+    }
+
+    /**
+     * Compare and report strings length to System.out.
+     *
+     * @param strings an array of strings
+     */
+    public static void compareAndReportStringsLength(String[] strings) {
+        compareAndReportStringsLength(strings, System.out);
+    }
+
+    /**
+     * Compare and report strings length.
+     *
+     * @param strings an array of strings
+     * @param stream the output stream to write results
+     */
+    public static void compareAndReportStringsLength(String[] strings, PrintStream stream) {
+        if (strings.length > 0) {
+            strings = strings.clone();
+            final String QUOTE = "\"";
+            Arrays.sort(strings, Comparator.comparing(String::length));
+            int min = strings[0].length();
+            int max = strings[strings.length - 1].length();
+            for (int i = strings.length - 1; i >= 0; i--) {
+                int length = strings[i].length();
+                String predicate;
+                if (length == max) {
+                    predicate = "is the longest string";
+                } else if (length == min) {
+                    predicate = "is the shortest string";
+                } else {
+                    predicate = "is neither the longest nor the shortest string";
+                }
+                //@todo: StringBuilder may be faster
+                stream.println(QUOTE + strings[i] + QUOTE + " has length " + length
+                        + " and " + predicate);
+            }
+        }
+    }
+}