Answer Posted / hi

20

Is java still necessary?

609

---

Why string is immutable or final in java

601

---

What is a null class?

566

---

Why do we use string?

569

---

What is the largest long allowed by java?

530

---

---

Can we sort a map in java?

570

---

How to make a class or a bean serializable?

535

---

What is use of super keyword?

560

---

What is the difference between synchronized and synchronized block?

495

---

What is static block?

578

---

What is the main use of java?

565

---

What is difference between checked and unchecked exception in java?

561

---

What do you mean by append?

524

---

Is map sorted in java?

562

---

Is java a virus?

524

---