The Code Crusade Java

1. What is the value of num at the end if num is an int type?

num = 2;

num = 3;

num=num+3;

num/=2;

• 2

• 3

• 1

• 5

2. The set of rules that determine the appropriate way of combining symbols which form correct fragments of code in programming language is called :

• Semantics

• Syntax

• Lexis

• Operator

Find the output for this code snippet

• 4

• 2

• Compilation error

• None of the aboce

Which of the following operator can replace if else statements ?

• Bitwise operators

• Logical operators

• Conditional operator

• Arithmetic operators

Find the output of the given code snippet

• 12885

• 12845

• 58881

• 54881

Collection _____________

•  inherits the Collections class

• Inherits the Iterable interface

• Implements the Serializable interface

• Implements the Traversable interface

Find the output of the code snippet

• 9

• 10

• 15

• None of the above

What is the time and space complexity to delete a node from the singly linked list?

• Time complexity: O(1), Space complexity: O(1)

• Time complexity: O(1), Space complexity: O(n)

• Time complexity: O(n), Space complexity: O(1)

• Time complexity: O(n), Space complexity: O(n)

Find the output of this code snippet

• 6

• 3

• Infinite Loop

• Compilation Error

Find the output of the following Java program?

• 6 0

• 3 2

• 2 1

• 5 1