Which package is used for pattern matching with regular expressions?

1116

---

How finally used under exception handling?

948

---

What kind of variables a class can consist of?

1107

---

What is the difference between stringbuffer and stringbuilder class?

1111

---

Explain the usage of this with constructors?

1028

---

What is protected access modifier?

1006

---

What is final class?

1026

---

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

1164

---

Which are the two subclasses under exception class?

1095

---

Define jre i.e. Java runtime environment?

1021

---

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

1053

---

Is break statement can be used as labels in java?

967

---

Why is string class considered immutable?

1056

---

How java enabled high performance?

1062

---

What is nullpointerexception?

1075

---