Initial data commit

Task/Extend-your-language/Java/extend-your-language-3.java

@@ -0,0 +1,41 @@
+public class If2 {
+    private final boolean firstCondition;
+    private final boolean secondCondition;
+
+    public If2(boolean firstCondition, boolean secondCondition) {
+        this.firstCondition = firstCondition;
+        this.secondCondition = secondCondition;
+    }
+
+    public static If2 if2(boolean firstCondition, boolean secondCondition) {
+        return new If2(firstCondition, secondCondition);
+    }
+
+    public If2 then(Runnable runnable) {
+        if (firstCondition && secondCondition) {
+            runnable.run();
+        }
+        return this;
+    }
+
+    public If2 elseNone(Runnable runnable) {
+        if (!firstCondition && !secondCondition) {
+            runnable.run();
+        }
+        return this;
+    }
+
+    public If2 elseIfFirst(Runnable runnable) {
+        if (firstCondition && !secondCondition) {
+            runnable.run();
+        }
+        return this;
+    }
+
+    public If2 elseIfSecond(Runnable runnable) {
+        if (!firstCondition && secondCondition) {
+            runnable.run();
+        }
+        return this;
+    }
+}