What do you mean by access modifier?

1034

---

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

1024

---

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

1100

---

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

1128

---

What is function overriding and overloading in java?

1116

---

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

1074

---

Why collection doesn’t extend cloneable and serializable interfaces?

1107

---

Explain different ways of creating a thread?

1058

---

What differences exist between iterator and listiterator?

1049

---

Explain the differences between abstraction and encapsulation?

1057

---

What is autoboxing and unboxing?

1009

---

What is the importance of finally block in exception handling?

1032

---

What is the difference between exception and error in java?

1023

---

Can you override private or static method in java?

980

---

What is comparable and comparator interface? List their differences

1110

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