feat: Add example method overriding

JavaDsaWithTest/src/main/java/org/practice/dsa/asked_in_interview/A.java

@@ -0,0 +1,7 @@
+package org.practice.dsa.asked_in_interview;
+
+public class A {
+    public void printMethod() {
+        System.out.println("A");
+    }
+}

JavaDsaWithTest/src/main/java/org/practice/dsa/asked_in_interview/B.java

@@ -0,0 +1,9 @@
+package org.practice.dsa.asked_in_interview;
+
+public class B extends A{
+    @Override
+    public void printMethod() {
+        super.printMethod();
+        System.out.println("B");
+    }
+}

JavaDsaWithTest/src/main/java/org/practice/dsa/asked_in_interview/C.java

@@ -0,0 +1,18 @@
+package org.practice.dsa.asked_in_interview;
+
+import java.util.UUID;
+
+public class C extends B{
+    @Override
+    public void printMethod() {
+        super.printMethod();
+        System.out.println("C");
+    }
+
+    public static void main(String[] args) {
+        C c = new C();
+        c.printMethod();
+        UUID uuid = UUID.randomUUID();
+        System.out.println(uuid);
+    }
+}