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Data Structures Interview Questions


Data Structures Interview Questions

Questions: 190
Comments: 315
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 Data Structures Interview Questions
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Skill/Topic: ArrayA) PeriodicalB) SequentiallyC) ParallelyD) None of the aboveExplanation: Elements of an array are stored sequentially in memory. For example,First, create an array called letters and 
Latest Answer: basically elements are stored in contineous memory lacations, but as per need we can also store them in chunks of memory. by making use of link list. various other techniques can also be used ...

Skill/Topic: ArrayA) Statically allocating memoryB) Dynamically allocating memoryC) Sequentially allocating memoryD) All of the aboveExplanation: Allocating memory at runtime is called a dynamically allocating 
Latest Answer: dynamic allocation of memory. ...

_________ is the way you groups things together by placing one thing on top of another and then removing things one at a time from the top.
Skill/Topic: Stacks using an ArrayA) ArrayB) StackC) PointerD) All of the above  

Skill/Topic: Stacks using an ArrayA) push() member methodB) pop() member methodC) isFull() member methodD) isEmpty() member methodExplanation: Push is the direction that data is being added to the stack. 
Latest Answer: Push method ...

Skill/Topic: Stacks using an ArrayA) TrueB) FalseExplanation: Popping is the reverse process of pushing: it removes an item from the stack. It is important to understand that popping an item off the stack 
Latest Answer: yes. pop removes top element frm stack ...

Skill/Topic: Stacks using an ArrayA) push() member methodB) pop() member methodC) isFull() member methodD) isEmpty() member methodExplanation: The pop() member method removes the value from the top of 
Latest Answer: POP ...

Skill/Topic: Stacks using an ArrayA) TrueB) FalseExplanation: The isFull() member method determines if there is room for one more value on the stack. 
Latest Answer: (B) False -- IsEmpty() checks if the stack has at least one element. This method is called by Pop() before retrieving and returning the top element. ...

Skill/Topic: Stacks using an ArrayA) The isEmpty() member method determines if a value is at the top of the stack and is called before an attempt is made to remove the value 
Latest Answer: to check whether the stack is empty or not...if yes returns 1 else returns 0. ...

Skill/Topic: Stacks using an ArrayA) VariableB) IndexC) CharacterD) FloatExplanation: The value at the top attribute is an index. 
Latest Answer: top of stack implemented using an array is represented by the array index. ...

The keyword ___________ means that the attribute or member method is accessible only by a member method.
Skill/Topic: Stacks using an ArrayA) PrivateB) PublicC) Both a) and b)D) Neither a) nor b)Explanation: The keyword private means that the attribute or member method is accessible only by a member method. 

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