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I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
Reverse a string without using Java built-in functions
Create a character array from the input string
Use two pointers to swap characters at the beginning and end of the array until they meet
Convert the character array back to a string
Relative Xpath is based on the current node while Absolute Xpath starts from the root node of the XML document.
Relative Xpath does not start with a forward slash (/) while Absolute Xpath starts with a forward slash (/).
Relative Xpath is more flexible and less prone to changes in the structure of the XML document.
Absolute Xpath is more specific and provides the full path to the element in the XML document.
Relative Xpath...
Full Java Theories cover the core concepts of Java programming language.
Object-oriented programming
Inheritance, polymorphism, encapsulation, and abstraction
Exception handling
Multithreading
Collections framework
Create a class with attributes, sort objects based on attributes, and print.
Create a class with attributes like name, age, and salary
Implement Comparable interface to define sorting logic based on attributes
Create objects of the class, add them to a list, and use Collections.sort() to sort them
Print the sorted objects
Automate scenario to search for 'Mobile' on Amazon, retrieve name and price of results, store in custom class, and display on console.
Use Selenium WebDriver to launch Amazon website
Locate search box element and enter 'Mobile' text
Retrieve name and price of search results using appropriate locators
Store name and price in custom class with attributes 'name' and 'product'
Display stored data on console
Ask Python List Questions
What people are saying about Oracle
I applied via Referral
A generic swap function swaps two values of any data type.
The function should take two parameters of any data type.
Use a temporary variable to store the value of one parameter.
Assign the value of the second parameter to the first parameter.
Assign the value of the temporary variable to the second parameter.
Search for an element in a rotated sorted linked list.
Find the pivot point where the list is rotated.
Divide the list into two sublists based on the pivot point.
Perform binary search on the appropriate sublist.
Handle edge cases such as empty list and list with only one element.
Search an element in a rotated sorted array
Find the pivot point where the array is rotated
Divide the array into two sub-arrays based on pivot point
Perform binary search on the appropriate sub-array
Repeat until element is found or sub-array size is 1
Find 5 missing numbers in an array of size 95 containing numbers in range 1 to 100.
Create a boolean array of size 100 and mark the present numbers
Iterate through the boolean array and find the missing numbers
Alternatively, use a HashSet to store the present numbers and find the missing ones
Given a Sudoku board, find possible numbers for an empty cell.
Iterate through empty cells and check possible numbers using row, column, and box constraints.
Use a set to keep track of possible numbers for each empty cell.
Return the set of possible numbers for the given empty cell.
Find integer average of 4 unsigned integers without typecasting
Add all the integers and divide by 4
Use bit shifting to divide by 4
Handle overflow by using long long data type
Use unsigned int data type for input
Code to identify 32 bit or 64 bit architecture of a processor
Check if the operating system is 32 bit or 64 bit
If OS is 32 bit, processor is 32 bit
If OS is 64 bit, check if processor supports 64 bit architecture
Use CPUID instruction to check if processor supports 64 bit architecture
Convert binary number to base 64 integer
Divide the binary number into groups of 6 bits
Convert each group of 6 bits to decimal
Map the decimal value to the corresponding base 64 character
Concatenate the base 64 characters to form the final integer
I appeared for an interview in Dec 2016.
posted on 2 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There was 1 interview round.
Check if left child is less than right child in a binary tree
Traverse the tree recursively and compare left and right child values
Use a stack to traverse the tree iteratively and compare left and right child values
Return true if all left children are less than right children, else false
Use built-in string method to check substring presence for faster execution.
Use 'indexOf' method to check if substring is present in the main string.
If the method returns -1, the substring is not present.
If the method returns a non-negative integer, the substring is present.
posted on 2 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.
App performance analysis involves identifying and resolving bottlenecks to improve user experience.
Collect and analyze performance metrics such as response time, CPU usage, memory usage, and network latency.
Identify and prioritize bottlenecks based on impact on user experience and frequency of occurrence.
Implement optimizations such as caching, code refactoring, and database tuning.
Continuously monitor and test perform...
posted on 2 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
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