What is difference between encapsulation and abstraction?

996

---

Difference between encapsulation and data hiding ?

894

---

Difference between abstraction and implementation hiding ?

1086

---

What are the features of encapsulation ?

985

---

Difference between composition and inheritance ?

964

---

Are constructors inherited? Can a subclass call the parent's class constructor? When?

988

---

Can we reduce the visibility of the inherited or overridden method ?

1022

---

Does a class inherit the constructor of its super class?

939

---

What is the difference between factory and strategy design pattern?

1045

---

Can we make the reference instance non static?

1075

---

Give me example of observer design pattern?

1117

---

What design pattern wrapper classes implement?

1014

---

What is the difference between builder and composite?

1151

---

Shall we use abstract classes or interfaces in policy / strategy design pattern?

1094

---

What is the difference between factory and builder design pattern?

979

---