How to Create A Wapper Class in core Java and Why are Use in java?

2 Answers   Amdocs,

---

Iterator in the HashMap is fail-safe means what?

9 Answers   CTS, IBM, Subex,

---

Which of these methods belong to Thread & Object class? join, yield, sleep, wait, notify

3 Answers   Ericsson,

---

Which method returns the length of a string?

0 Answers  

---

What is lossy conversion in java?

0 Answers  

---

---

What is a serializable interface?

4 Answers  

---

Is integer passed by reference in java?

0 Answers  

---

What is a marker interface?

0 Answers  

---

Can we extend private class in java?

0 Answers  

---

Can we declare static variables in JSP page.

3 Answers   TCS,

---

Is java util regex pattern thread safe?

0 Answers  

---

What are annotations in java?

0 Answers   Impetus,

---