Ways in which Java program is less likely to be compromised
Give two ways in which a Java program is less likely to be compromised than the same program written in C++.
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In Java, Primitive and reference data types always passed by value while as in C++ referenced data types are passed by reference.
In Java, we have automatic garbage collection that doesn’t have the concept of Destructor and usage of finalize() is not recommended while have we have to explicitly rely upon destructors and deletete operator to free unused memory.
Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration: // Downcast from Object to String
Constructor: A constructor is automatically called whenever an instance of its class is formed. A constructor always has similar name as its class, and encompass no return type. For example: public
Explain the applications of packing life cycle.
Define the term XML Canonicalization?
What are the major issues related with multiprocessor caches and how might you resolve them?
Explain the way to open just one resistance of vb application (.exe).
Sign extension: Whenever an integer value from a type with a specific range is stored in a variable with a larger range, Java employs sign extension to determine the resultant value. The most important bit in the original value is employed to fill the
Cascading if-else statement: A form of if-else statement in which all else-part (apart from the last) comprises of a further nested if-else statement. Employed to overcome the trouble of textual drift frequently related with nested if statements.
Explain the difference between a computer process and thread.
Inside the interface accessibility modifier we can use for methods?
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