Added Java examples

Added Java examples

Author: sergfrolov

.gitignore

@@ -1,3 +1,9 @@
 node_modules
 *.log
 .DS_Store
+/out/
+/.idea
+*.iml
+
+
+

Java/src/1-for.java

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+class For {
+    public static void main(String[] args)
+    {
+        for (int i = 0; i < 10; i++) {
+            System.out.println(i);
+        }
+    }
+}

Java/src/2-while.java

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+class While {
+    public static void main(String[] args) {
+        int i = 0;
+        while (i < 10)
+        {
+            System.out.println(i++);
+        }
+    }
+}

Java/src/3-do-while.java

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+class DoWhile {
+    public static void main(String[] args) {
+        int i = 0;
+        do {
+            System.out.println(i++);
+        } while (i < 10);
+    }
+}

Java/src/5-for-of.java

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+class ForOf {
+    public static void main(String[] args) {
+        for (int element : new int[]{7, 10, 1, 5, 2})
+        {
+            System.out.println(element);
+        }
+    }
+}

Java/src/6-break.java

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+class Break {
+    public static void main(String[] args) {
+        label1: for (int i = 0; i < 10; i++)
+        {
+            if (i == 7) break label1;
+            System.out.println(i);
+        }
+    }
+}

Java/src/7-continue.java

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+class Continue {
+    public static void main(String[] args) {
+        int i = 0;
+        label1:
+        while (i < 10) {
+            i++;
+            System.out.println("Hello");
+            if (i == 5) continue label1;
+            System.out.println("World");
+        }
+    }
+}

Java/src/8-forEach.java

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+import java.util.Arrays;
+import java.util.List;
+
+class ForEach {
+    public static void main(String[] args) {
+        List<Integer> list = Arrays.asList(7, 10, 1, 5, 2);
+        list.forEach(item -> System.out.println(String.format("%s, %s, %s",item,list.indexOf(item),list.toString())));
+        System.out.println();
+        list.forEach(System.out::print);
+        System.out.println();
+        list.forEach(x -> System.out.print(x));
+    }
+}

Java/src/9-map.java

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+import java.util.Arrays;
+import java.util.function.Function;
+
+class Map {
+    public static void main(String[] args) {
+        Function<Integer,Void> log = s -> {System.out.println(s); return null;};
+        Arrays.stream(new Integer[]{7, 10, 1, 5, 2}).map(x -> x * 2).map(log);
+    }
+}