added java & fixed z7

POB_Java/.gitignore

@@ -0,0 +1 @@
+*.class

zad7_3.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+using namespace std;
+
+template <typename type>
+class Array {
+    private:
+        type* ptrs;
+        Array(){}
+        ~Array(){}
+    public:
+        Array& operator new [](){
+            Array();
+            return *this;
+        }
+        void operator delete [](){
+            ~Array();
+        }
+
+}