What do you mean by access modifier?

1024

---

What are the data types supported by java? What is autoboxing and unboxing?

1016

---

What does the “static” keyword mean? Can you override private or static method in java?

1093

---

What is structure of java heap? What is perm gen space in heap?

1122

---

What is function overriding and overloading in java?

1110

---

What is the difference between a synchronized method and a synchronized block?

1069

---

Why collection doesn’t extend cloneable and serializable interfaces?

1100

---

Explain different ways of creating a thread?

1049

---

What differences exist between iterator and listiterator?

1039

---

Explain the differences between abstraction and encapsulation?

1051

---

What is autoboxing and unboxing?

995

---

What is the importance of finally block in exception handling?

1026

---

What is the difference between exception and error in java?

1016

---

Can you override private or static method in java?

971

---

What is comparable and comparator interface? List their differences

1100

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