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Result for: Kulashree Pramod Patil

Exam Name JAVA_Placement
Total Marks 50.0
Score 14.0
Percentage 28.00%
Question Analysis
Sr. No. Question Selected Answer Correct Answer
1 Find the output of the given while loop. No answer selected 6
2 How many times does the print statement execute in this nested loop? No answer selected 3
3 Calculate the final output of the code snippet. No answer selected 15
4 What will be the output after values are swapped? No answer selected 20 10
5 Predict the output for this Fibonacci-like loop. No answer selected 8
6 Find the count of numbers divisible by 3 or 5 between 1 to 10. No answer selected 5
7 What is the final sum of the squares loop? No answer selected 55
8 Determine the output of this nested if-else block. No answer selected B
9 What is the output when the loop encounters a break statement? No answer selected 2000 1 2
10 Find the total iterations of the nested loop (x value). No answer selected 10
11 Time complexity of a single loop? No answer selected O(n)
12 Nested loop complexity? No answer selected O(n²)
13 Binary search complexity? No answer selected O(log n)
14 Best case HashMap get() complexity? No answer selected O(1)
15 Which of the following is the fastest complexity? No answer selected O(log n)
16 Root class of all exceptions in Java? No answer selected Throwable
17 Which of these is an Unchecked exception? No answer selected NullPointerException
18 What is the purpose of the finally block? No answer selected Cleanup
19 Is a try block without a catch possible? No Yes with finally
20 Keyword used to explicitly throw an exception? throw throw
21 Which collection allows duplicate elements? List List
22 Which Set maintains insertion order? LinkedHashSet LinkedHashSet
23 How many null keys are allowed in a HashMap? 2 1
24 Which of these is a synchronized collection? Vector Vector
25 Root interface of the Collection Framework? Iterable Collection
26 Method overriding is an example of? Encapsulation Polymorphism
27 Keyword used to prevent inheritance? private final
28 Data hiding is primarily achieved by? Abstraction Encapsulation
29 Can an abstract class have a constructor? No Yes
30 Multiple inheritance in Java is achieved using? Interfaces Interfaces
31 Stream API was introduced in which Java version? Java 8 Java 8
32 Which of these is a Terminal operation in Streams? filter collect
33 Stream operations are generally? Static Lazy
34 Method used to transform/map elements in a Stream? reduce map
35 What does the findFirst() method return? Object Optional
36 In which package is the Comparable interface found? java.lang java.lang
37 Comparator is primarily used for? Hashing Custom sort
38 Which method is defined in the Comparable interface? compareTo compareTo
39 What provides platform independence in Java? Bytecode Bytecode
40 Which code calculates the total salary of active employees? Option A Option B
41 What is the main purpose of hashing? Fast lookup Fast lookup
42 Which method is used for hashing in Java? hashCode hashCode
43 What will be the size of the HashSet in the given code? 3 1
44 Time complexity of the given nested loop (j = j * 2)? O(n log n) O(n log n)
45 What is the time complexity? O(n) O(n²)
46 What is the time complexity? O(n²) O(n² log n)
47 What is the time complexity? O(n log n) O(n log n)
48 What is the time complexity? O(n) O(n²)
49 Thread t = new Thread(() -> System.out.println("Run")); t.run(); Runs in main thread Runs in main thread
50 What is the result of class C implementing interfaces A and B? B Compilation error
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