What is difference between encapsulation and abstraction?

1002

---

Difference between encapsulation and data hiding ?

903

---

Difference between abstraction and implementation hiding ?

1095

---

What are the features of encapsulation ?

989

---

Difference between composition and inheritance ?

973

---

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

995

---

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

1040

---

Does a class inherit the constructor of its super class?

951

---

What is the difference between factory and strategy design pattern?

1055

---

Can we make the reference instance non static?

1092

---

Give me example of observer design pattern?

1132

---

What design pattern wrapper classes implement?

1033

---

What is the difference between builder and composite?

1170

---

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

1104

---

What is the difference between factory and builder design pattern?

987

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