Slk Software Services Java Developer Interview Questions and Answers

Q1. Explain Spring Boot
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Q2. What is Redux in React
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Q3. What is Context API in React
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20 aptitude,20 comunication,4 program questions

General topics . topics about online class vs office line class

Q1. In this round also they mainly check communication.after that basic questions about the what you put on your resume
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Q1. General round. In this round they told about the company and bond
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Q1. Explain Sonarqube, different type of code smells, and how its implemented in CI CD
Ans. 
Sonarqube is a static code analysis tool used to detect code smells and bugs in code. It is integrated into CI/CD pipelines for continuous code quality checks.
• Sonarqube is a static code analysis tool that identifies code smells, bugs, and security vulnerabilities in code.

• Code smells are common programming issues that may indicate a deeper problem in the code. Examples include duplicated code, long methods, and complex ...read more
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Q2. Write a program to find the numbers divisble by 3 in a string - and reverse its indexes eg : - input : String s = "123456789" output String s = "129456783"
Ans. 
Program to find numbers divisible by 3 in a string and reverse their indexes.
• Iterate through the string and check if each character is a number divisible by 3.

• Store the divisible numbers in an array and reverse their indexes.

• Join the array back into a string and return the result.
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Q1. Java8 coding to filter the vowels
Ans. 
Using Java8 to filter vowels from an array of strings
• Use Java8 stream and filter to iterate through each string in the array

• Use a lambda expression to check if each character is a vowel

• Collect the filtered strings into a new array
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Q2. Java8, Multi Threading, Hibernate, JPA
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30 multiple choice questions

Two coding questions

Q1. Oops questions like main principles of oops
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Q1. Deep in project
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Q1. Self intro, family background,some hr questions
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Q1. Explain your Project. What features you have made Git related questions like code merge pull Jira tool Java questions mostly from collectiions Springboot related question Then some design pattern.
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Java progaming, coding

Java basic problems , Array , Collections, String , Java 8 , Spring Boot,String MVC

Q1. Tell me about your Project ?
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Q2. Write a code which count the number of String (words) occurrence in sentence ?
Ans. 
Count the occurrence of each word in a sentence using Java code.
• Split the sentence into an array of words using split() method.

• Create a HashMap to store each word and its count.

• Iterate through the array and update the count in the HashMap.

• Print the word and its count at the end.
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