What do you mean by access modifier?

1114

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

1072

---

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

1167

---

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

1194

---

What is function overriding and overloading in java?

1176

---

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

1129

---

Why collection doesn’t extend cloneable and serializable interfaces?

1153

---

Explain different ways of creating a thread?

1118

---

What differences exist between iterator and listiterator?

1090

---

Explain the differences between abstraction and encapsulation?

1108

---

What is autoboxing and unboxing?

1067

---

What is the importance of finally block in exception handling?

1087

---

What is the difference between exception and error in java?

1070

---

Can you override private or static method in java?

1042

---

What is comparable and comparator interface? List their differences

1154

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