Yardi Systems Technical Lead Interview Questions and Answers for Experienced

Q1. Our project contains interview question related to JAVA.
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Q1. Transaction in Spring Boot
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Transactions in Spring Boot help manage database operations as a single unit of work.
• Transactions ensure ACID properties (Atomicity, Consistency, Isolation, Durability) for database operations.

• Use @Transactional annotation to mark a method as transactional.

• Transactions can be managed programmatically using TransactionTemplate.

• Rollback can be triggered manually in case of exceptions.

• Spring Boot supports both declarative
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Q2. Java Array and problem solving
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Q1. Find anagrams in a sentence
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Identify anagrams within a given sentence
• Split the sentence into individual words

• Compare each word to every other word to find anagrams

• Store anagrams in an array of strings
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Q2. Find lca of a binary tree
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The lowest common ancestor (LCA) of a binary tree is the shared ancestor of two nodes farthest from the root.
• Start from the root and recursively search for the nodes in the left and right subtrees.

• If one node is found in the left subtree and the other in the right subtree, then the root is the LCA.

• If both nodes are found in the left subtree, then the LCA is in the left subtree. Same for the right subtree.

• Repeat the pro
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Q1. Find duplicates in a string
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Use a hash set to find duplicates in a string efficiently.
• Create a hash set to store characters as you iterate through the string.

• If a character is already in the hash set, it is a duplicate.

• Return the duplicates as an array of strings.
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Q2. Find the sum of the digits in a reverse order
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To find the sum of digits in reverse order, reverse the number and then add the digits together.
• Reverse the given number

• Separate each digit of the reversed number

• Add all the digits together to get the sum
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Q1. What is your experience with previous company
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Talk about social media influence impact on chilfern

Q1. Description about projects
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Q1. Discussion about job profile
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Q1. Discussion regarding CTC expectation
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Q1. Process of static analysis.. what kind of testing needed for each layer in development
Ans. 
Static analysis is a process of analyzing code without executing it. Different layers in development require different types of testing.
• Static analysis involves analyzing code without executing it

• Different layers in development require different types of testing

• For the presentation layer, testing can include checking for UI/UX issues, accessibility, and responsiveness

• For the business logic layer, testing can include ch...read more
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Q2. Bugs which you have fixed
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I have fixed various bugs related to software performance and functionality.
• Resolved a bug causing the application to crash when processing large data sets.

• Fixed a bug that was causing incorrect calculations in the financial module.

• Addressed a bug that caused the user interface to freeze when performing certain actions.

• Solved a bug that resulted in data loss when saving files in a specific format.

• Resolved an issue wher...read more
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Q3. Coding questions on function pointers
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Q1. How are RTE calls generated? What kind of call is generated for each interface?
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RTE calls are generated to communicate between software components. Different types of calls are generated for each interface.
• RTE calls are generated to exchange data and trigger actions between software components.

• The type of call generated for each interface depends on the communication protocol used.

• For example, in a RESTful API interface, HTTP requests like GET, POST, PUT, and DELETE are generated.

• In a messaging in...read more
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Q2. What is DF memory
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DF memory stands for Delayed Feedback Memory.
• DF memory is a type of memory system used in digital signal processing.

• It is characterized by the presence of a feedback loop that introduces a delay in the memory access.

• DF memory is commonly used in applications such as echo cancellation and adaptive filters.

• It allows for the storage and retrieval of past data samples to perform calculations and adjustments.

• An example of D...read more
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Data structures, string operation bitwise, algorithm, vector, map

Q1. Again coding questions verbal and approx answer
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Q2. What kind of error comes when we did mistake with data type
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Type mismatch error occurs when incorrect data type is used in a program.
• Type mismatch error can occur when trying to assign a string to an integer variable.

• It can also happen when performing operations on incompatible data types, such as adding a string to a number.

• Type mismatch errors are common in programming languages like Java, C++, and Python.
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Q1. Salary discussion
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Q1. Final round, about joining date
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