diff --git a/14july2025/Game.java b/14july2025/Game.java
new file mode 100644
index 0000000..5d5f145
--- /dev/null
+++ b/14july2025/Game.java
@@ -0,0 +1,111 @@
+import java.util.*;
+import java.util.function.Function;
+
+public class Game {
+    private Wallet kullanici;
+    public Game(Wallet kullanici) {
+        this.setKullanici(kullanici);
+    }
+
+    public void baslat() {
+        System.out.println(this.kullanici.getIsim());
+        while (true) {
+            if (this.getKullanici().getPara() <= 0) {
+                System.out.println("İflas!");
+                break;
+            }
+            System.out.println("Mevcut bakiye:" + this.getKullanici().getPara());
+            this.bj();
+        }
+    }
+
+    public void bj() {
+        System.out.println("Kullanmak istediğiniz miktarı giriniz:");
+        Scanner scanner = new Scanner(System.in);
+        Double miktar = scanner.nextDouble();
+        scanner.nextLine();
+        if (this.kullanici.paraGuncelleme(miktar * -1)) {
+            List<String> masa = new ArrayList<>();
+            String[] ranks = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};
+            for (int i = 0; i < 4; i++) {
+                for (String rank : ranks) {
+                    masa.add(rank);
+                }
+            }
+            Collections.shuffle(masa);
+
+            List<String> kullaniciEli = new ArrayList<>();
+            List<String> kurpiyerEli = new ArrayList<>();
+
+            kullaniciEli.add(masa.remove(0));
+            kurpiyerEli.add(masa.remove(0));
+            kullaniciEli.add(masa.remove(0));
+            kurpiyerEli.add(masa.remove(0));
+
+            Function<List<String>, Integer> degerHesapla = hand -> {
+                int total = 0;
+                int aces = 0;
+                for (String card : hand) {
+                    switch (card) {
+                        case "A": total += 11; aces++; break;
+                        case "K": case "Q": case "J": case "10": total += 10; break;
+                        default: total += Integer.parseInt(card);
+                    }
+                }
+                while (total > 21 && aces > 0) {
+                    total -= 10;
+                    aces--;
+                }
+                return total;
+            };
+
+            System.out.println("Kullanıcı Eli: " + kullaniciEli + " (" + degerHesapla.apply(kullaniciEli) + ")");
+            System.out.println("Kurpiyer Eli: [" + kurpiyerEli.get(0) + ", ?]");
+
+            int kullaniciDeger = degerHesapla.apply(kullaniciEli);
+            boolean kullaniciPatladi = false;
+            while (kullaniciDeger < 21) {
+                System.out.println("Tamam mı devam mı?? (t/d)");
+                String tamamdevam = scanner.nextLine().trim().toLowerCase();
+                if (!tamamdevam.equals("d")) break;
+
+                kullaniciEli.add(masa.remove(0));
+                kullaniciDeger = degerHesapla.apply(kullaniciEli);
+                System.out.println("Kullanıcı eli: " + kullaniciEli + " (" + kullaniciDeger + ")");
+                if (kullaniciDeger > 21) {
+                    System.out.println("Patladın!");
+                    kullaniciPatladi = true;
+                    break;
+                }
+            }
+
+            if (!kullaniciPatladi) {
+                int kurpiyerDeger = degerHesapla.apply(kurpiyerEli);
+                System.out.println("Kurpiyer Eli: " + kurpiyerEli + " (" + kurpiyerDeger + ")");
+                while (kurpiyerDeger < 17) {
+                    kurpiyerEli.add(masa.remove(0));
+                    kurpiyerDeger = degerHesapla.apply(kurpiyerEli);
+                    System.out.println("Kurpiyer çekti: " + kurpiyerEli + " (" + kurpiyerDeger + ")");
+                }
+
+                if (kurpiyerDeger > 21 || kullaniciDeger > kurpiyerDeger) {
+                    System.out.println("Kazandın!");
+                    kullanici.paraGuncelleme(2 * miktar);
+                } else if (kullaniciDeger < kurpiyerDeger) {
+                    System.out.println("Adam kazandı...");
+                } else {
+                    System.out.println("Dostluk kazandı, para iade edildi.");
+                    kullanici.paraGuncelleme(miktar);
+                }
+            }
+        }
+    }
+
+    public Wallet getKullanici() {
+        return this.kullanici;
+    }
+
+    public void setKullanici(Wallet kullanici) {
+        this.kullanici = kullanici;
+    }
+}
diff --git a/14july2025/Main.java b/14july2025/Main.java
new file mode 100644
index 0000000..2243fef
--- /dev/null
+++ b/14july2025/Main.java
@@ -0,0 +1,8 @@
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Java BlackJack");
+        Wallet kullanici = new Wallet("Mahmut Tuncer", "1000");
+        Game oyun = new Game(kullanici);
+        oyun.baslat();
+    }
+}
diff --git a/14july2025/Wallet.java b/14july2025/Wallet.java
new file mode 100644
index 0000000..64c6ebd
--- /dev/null
+++ b/14july2025/Wallet.java
@@ -0,0 +1,40 @@
+public class Wallet {
+    private String isim;
+    private Double para;
+
+    public Wallet(String isim, String para) {
+        this.isim = isim;
+        Double paraDouble = Double.valueOf(para);
+        if (((paraDouble > -Double.MAX_VALUE) && (paraDouble < Double.MAX_VALUE)) && !paraDouble.isInfinite()) {
+            this.para = paraDouble;
+        } else {
+            System.out.println("O kadar paran var hala buralarda geziyorsun. Kaybol!");
+            this.para= 1d;
+        }
+    }
+
+    public String getIsim() {
+        return this.isim;
+    }
+
+    public Double getPara() {
+        return this.para;
+    }
+
+    public Boolean paraGuncelleme(Double para) {
+        if (((this.getPara() > -Double.MAX_VALUE) && (this.getPara() < Double.MAX_VALUE)) && !this.getPara().isInfinite()) {
+            if ((this.getPara() + para) < 0) {
+                System.out.println("Yetersiz bakiye. Şu anki bakiye:" + this.getPara());
+                return false;
+            } else {
+                this.para += para;
+                return true;
+            }
+        }
+        else {
+            System.out.println("O kadar paran var hala buralarda mı geziyorsun?");
+            this.para = 1d;
+            return false;
+        }
+    }
+}
diff --git a/14july2025/old1/Baba.java b/14july2025/old1/Baba.java
new file mode 100644
index 0000000..57de608
--- /dev/null
+++ b/14july2025/old1/Baba.java
@@ -0,0 +1,11 @@
+public class Baba extends Buyukbaba{
+    public Baba(String a) {
+        super(a);
+        super.setA(a);
+    }
+
+    public String getA() {
+        System.out.println("Bababa?");
+        return super.getA();
+    }
+}
diff --git a/14july2025/old1/Buyukbaba.java b/14july2025/old1/Buyukbaba.java
new file mode 100644
index 0000000..c2093a7
--- /dev/null
+++ b/14july2025/old1/Buyukbaba.java
@@ -0,0 +1,15 @@
+public class Buyukbaba {
+    private String a = "Hebele";
+
+    public Buyukbaba(String a) {
+        System.out.println(a);
+    }
+
+    public String getA() {
+        return a;
+    }
+
+    public void setA(String a) {
+        this.a = a;
+    }
+}
diff --git a/14july2025/old1/Main.java b/14july2025/old1/Main.java
new file mode 100644
index 0000000..0277aff
--- /dev/null
+++ b/14july2025/old1/Main.java
@@ -0,0 +1,7 @@
+public class Main {
+    public static void main(String[] args) {
+        Buyukbaba buyukbaba = new Buyukbaba("babababa");
+        Baba baba = new Baba("bababa");
+        System.out.println(baba.getA());
+    }
+}
diff --git a/14july2025/old2/Main.java b/14july2025/old2/Main.java
new file mode 100644
index 0000000..1d784b4
--- /dev/null
+++ b/14july2025/old2/Main.java
@@ -0,0 +1,41 @@
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) {
+        Hebele hebele1 = new Hebele();
+        Hebele hebele2 = new Hebele();
+        Hubele hubele1 = new Hubele();
+        Hebele hebele3 = new Hubele();
+        hebele1.setA("A");
+        hebele2.setA(123);
+        hubele1.setA(42d);
+        hebele3.setA(456);
+        System.out.println(hebele1.getA());
+        System.out.println(hebele2.getA());
+        System.out.println(hubele1.getA());
+        System.out.println(hebele3.getA());
+        List<Object> liste = List.of("a","b", 1);
+        System.out.println(liste);
+        // System.out.println("a" instanceof Object);
+    }
+
+}
+
+class Hebele {
+    private Object a;
+
+    public Object getA() {
+        return a;
+    }
+
+    public void setA(Object a) {
+        this.a = a;
+    }
+}
+
+class Hubele extends Hebele {
+    public Object getA() {
+        System.out.println("???");
+        return super.getA();
+    }
+}
\ No newline at end of file