Answer Posted / s.thirunavukarasu

with the help of implementing interface,we can relate a
interface to a class.
for example
interface firstone
{
public void display();
}
class myprm implements firstone
{
public void disply()
{
system.out.println("welcome to java world");
}
}

What does it mean that a method or field is “static”?

1048

---

How many types of exception can occur in a java program?

1047

---

Can a string be null?

1053

---

What is fundamental datatype?

1064

---

Is it possible to compare various strings with the help of == operator?

1068

---

Why java is made?

1032

---

Is a char always 1 byte?

1055

---

Why do we need singleton?

1026

---

Highest level event class of the event-delegation model?

4079

---

What is the purpose of the wait(), notify(), and notifyall() methods in java programming?

1152

---

Describe what happens when an object is created in java ?

1084

---

Why do we need variables?

1040

---

What are thread priorities and importance of thread priorities in java?

1245

---

Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

1136

---

What is the meaning of find and replace?

1082

---