Q) What are the primary goals of java
technology?
There
are four primary goals of java technology
1.
Solve the problems with existing
programming languages such as C and C++
I. Security
problem
II. Memory
leak
III. Unable
to handle run time errors
IV. Unable
to develop pure object oriented programs
2.
Write once and run anywhere( platform
indecency or portability)
3.
Multithreading
4.
Dynamic loading
Q) Who will de allocate the memory in
java?
Ans:
Garbage collector
Q) What is garbage collector?
Ans:
Garbage collector is a software tool that is used to de allocates memory that
is not in use. Garbage collector is a part of Java runtime environment (JRE)
Q) What is Java Runtime Environment?
Ans:
It is an Environment in which java programs are executed. JRE is a part of JDK.
Q) Will JVM available for all
operating systems?
Yes
JVM is available for all operating systems separately.
