DEMO Test (CE/IT/ICT) [06-May-20]
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Section - 1 (Q1 to Q5)
Data Structure
Which of these is true about stacks?
Stacks are LIFO
Stack is used to implement BFS
Queue is used in which of the following?
BFS
DFS
Which of the following is true about trees?
Trees is not an abstract data type
Trees are graphs without cycles
Trees does not have leaf nodes
Which of the following is/are true about a complete binary tree?
Every level is completely filled except last
Every level is not completely filled
Nodes are as far left as possible
Nodes are as far right as possible
How many children can a parent node have in a ternary tree?
4
3
5
7
8
1
2
6
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Which of the following is not a Java features?
Architecture Neutral
Use of Pointers
Platform Independent
Robust
Multi threaded
Write Once run Any time
Distributed
Section - 2 (Q-6 to Q-10)
Refer Above Image and Answer
Test class
Compilation error due to line xyz
Derived class
Compilation error due to access modifier
compilation error due to non static function
compilation error due to main is static function
Print Test class and Derived class both
Print Derived class and Test class
Predict the output of above mentioned Java Programs
10
Error due to main is static
Error due to x is static
Error due to x in side class
Error due to x is out side main
Error due to class Test is not public
Error due to x is not public
Error due to x is not final
What is output of above mentioned code.
10, 5, 0, 20, 0
10, 30, 20
60, 5, 0, 20
60, 30, 0, 20, 0
5, 30, 20
10, 30, 5
10, 60, 20
10,5,0, 30, 20
Select Appropriate option
JVM
JEM
JDK
JMV
OOP
POP
JDB - Java Debugger
JRE
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