Answer Posted / rakesh

A custom tag is a user-defined JSP language element. When a
JSP page containing a custom tag is translated into a
servlet, the tag is converted to operations on an object
called a tag handler

ex-bodyless tag 2 tags with body
1<tagName attributeName="value"
anotherAttributeName="anotherValue"/>

2.<tagName attributeName="value"
anotherAttributeName="anotherValue">
...tag body...
</tagName>

Is passing by reference faster?

938

---

Explain aggregation in java?

917

---

What is a nested list?

910

---

What are register variables what are the advantages?

863

---

Can you call a method on a null object?

966

---

Can we override the static method?

962

---

What is compiler and what its output.

1075

---

What is entry set in java?

1026

---

What is an array length?

857

---

If we don’t want some of the fields not to serialize how to do that?

955

---

Explain polymorphism citing an example.

996

---

What is mysql driver class name?

1072

---

What are the methods available in a class?

1008

---

Can we extend singleton class?

897

---

Give few difference between constructor and method?

907

---