why pointer is not used in java?
Answers were Sorted based on User's Feedback
Answer / malligontla
The Java Language the referencing and dereferencing of
objects is handled for you automatically. Java does not
allow you to manipulate pointers or memory addresses of any
kind. It does not allow you to cast object or array
references into integers and It does not allow you to do
pointer arithmetic. It does not allow you to compute the
size in bytes of any primitive type or object. There are two
reasons for these restrictions:
Is This Answer Correct ? | 14 Yes | 2 No |
Answer / arun
Java is the language best known for its security
features.Programmer cannot find the physical address of any
variable or object at any case in java and prevents the
programmer or user from accessing the physical address.Hence
if java provide the advantage(disadvantage) of using
pointers in programs there is chance of getting lot of
security flaw, so java does not support pointers.
Is This Answer Correct ? | 9 Yes | 0 No |
Answer / cmadhu2008
Java language have pointer but controlled by itself not to
do any thing by programmer,if it was be available then
security will be break that's why
Is This Answer Correct ? | 10 Yes | 2 No |
What is variable length arguments in java?
Is the empty set a singleton?
Why do we need hashmap in java?
Does constructor be static?
waht happens when a return type ,even void is specified for a constructor?
How do you add an element to a set in java?
What is the static variable?
Can list be null in java?
What are void methods?
How many ways can an argument be passed to a subroutine and explain them?
"We cannot create an object of interface but we can create a variable of it". Discuss the statement with the help of an example. (Plz help us to provide immediately.)
Can we instantiate interface in java?