Differentiate between realloc() and free().

Correct Answer: Scope resolution operator allows a program to reference an identifier in the global scope that is hidden by another identifier with the same name in the local scope

Correct Answer: Stack is a collection of objects that works in LIFO (Last in First out) mechanism while Queue is FIFO (First in First out) This means that the object that is inserted first is removed last in a stack while an object that is inserted first is removed first in a queue

Correct Answer: Stack unwinding is a process of calling all destructors for all automatic objects constructed at run time when an exception is thrown Destructors are called between the places where the exception was thrown and where it is caught

Correct Answer: Wrapper classes wrap primitive values in a class and offers utility to access them through objects Some of the primitive wrapper data types are: Byte, short, int, long, float, double, char, Boolean Example: Create a class name VectorAdd to populate it with integer values using the add(int, object) method public class VectorAdd { public static void main(String argv[]) { Vector v = new Vector(); vadd(0,new Integer(10)); vadd(1,new Integer(20)); vadd(2,new Integer(30)); for(int i=0; i < vsize();i ++) { Integer iw =(Integer) vget(i); Systemoutprintln(iw); } } }

Correct Answer: STL stands for Standard Template Library It is a library of container templates approved by the ANSI committee for inclusion in the standard C++ specification

Correct Answer: - Inheritence permits code reusability - Reusability saves time in program development - It encourages the reuse of proven and debugged high-quality software which reduces the problems after a system becomes functional

Correct Answer: QA stands for QUALITY ASSURANCE QA team assures the quality by monitor the whole development process QA tracks the outcomes and adjusting process to meet the expectation The role of Quality Assurance is discussed below: - QA team is responsible for monitoring the process to be carried out for development - Responsibilities of QA team are planning testing execution process - QA Lead creates the time tables and agrees on a Quality Assurance plan for the product - QA team communicated QA process to the team members - QA team ensures traceability of test cases to requirements

Correct Answer: Priority: concern with application from the business point of view It answers How quickly we need to fix the bug? Or How soon the bug should get fixed? Severity: concern with functionality of application It deals with the impact of the bug on the application

Correct Answer: Monkey testing is a type of Black Box Testing used mostly at the Unit Level In this tester enter the data in any format and check the software is not crashing In this testing we use Smart monkey and Dumb monkey - Smart monkeys are used for load and stress testing, they will help in finding the bugs They are very expensive to develop - Dumb monkey, they are important for basic testing They help in finding those bugs which are having high severity Dumb monkey are less expensive as compare to Smart monkeys Example: In phone number filed Symbols are entered

Correct Answer: The benefits of Automation Testing are below: - Test engineer productivity - Coverage of regression testing - Reusability of test cases - Consistency in testing - Test interval reduction - Reduced software maintenance cost - Increased test effectiveness