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Categories >> Software >> Java Related >> Java J2EE >> Core Java
 
 


 

 
 Core Java interview questions  Core Java Interview Questions (1728)
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 Java J2EE AllOther interview questions  Java J2EE AllOther Interview Questions (87)
Question
Hi friends, i am new to java. can you explain how java is
secured.
 Question Submitted By :: Core-Java
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Java does not use memory pointers explicitly. All the
programs in java are run under an area known as the sand
box. Security manager
determines the accessibility options of a class like reading
and writing a file to the local disk. Java uses the public
key encryption system to allow the java applications to
transmit over the internet in the secure encrypted form. The
bytecode Verifier checks the classes after loading.
 
Is This Answer Correct ?    1 Yes 0 No
Imam Basha
 
Answer
# 2
Java is considered more secure than other languages for
several reasons:

* The Java compiler catches more compile-time errors;
other languages (like C++) will compile programs that
produce unpredictable results.
* Java does not allocate direct pointers to memory. This
makes it impossible to accidentally reference memory that
belongs to other programs or the kernel.
 
Is This Answer Correct ?    0 Yes 0 No
Ram
 
 
 

 
 
 
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write a progam hashmap & hashtable? IBM 2
What is the USE of Null interfaces ??...if thers nothing inside these interfaces how are they used and WHy are they used ???? No 1 has given a proper description yet   1
can we create a instance for intwerface?   3
where do we use init()   2
When does the compiler supply a default constructor for a class? TCS 9
Why do we need public static void main(String args[]) method in Java...?   1
Is java supports multiple inheritance? explain? Inforica 12
If there are two notepad opened and working on it . is this a process or thread? computer based Live Example to differentiate between Thread , Process , and Multi tasking ? Wipro 3
suppose in a class there is a code like this: { Set hs=new Hashset(); hs.add(new Emp("kathy",1000)); hs.add(new Emp("kathy",2000)); } how can u avoid the above code in your class as set won't allow duplicate objects?   3
Why non nested classes in java are not having marked as protected access specifier Google 2
what is life cycle of applet?   9
 
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