Which package is used for pattern matching with regular expressions?

1108

---

How finally used under exception handling?

944

---

What kind of variables a class can consist of?

1100

---

What is the difference between stringbuffer and stringbuilder class?

1097

---

Explain the usage of this with constructors?

1024

---

What is protected access modifier?

1000

---

What is final class?

1019

---

What things should be kept in mind while creating your own exceptions in java?

1158

---

Which are the two subclasses under exception class?

1085

---

Define jre i.e. Java runtime environment?

1005

---

What are the two ways in which thread can be created?

1049

---

Is break statement can be used as labels in java?

958

---

Why is string class considered immutable?

1047

---

How java enabled high performance?

1046

---

What is nullpointerexception?

1068

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