Jr Java Developer Interview Questions

3,831 jr java developer interview questions shared by candidates

Q1: how to sort the array when array have 0 and 1, but only use loop one times, Q2:How to find the circuler point of link List, Q3: Oops concept. second round: - Q1:how to find the frequency of each word of Pragraph. Q2: oops concept of Java and collections Q3: How to find second heighest salary in a table
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Junior Java Developer

Interviewed at InnovationM

4.4
Jul 24, 2021

Q1: how to sort the array when array have 0 and 1, but only use loop one times, Q2:How to find the circuler point of link List, Q3: Oops concept. second round: - Q1:how to find the frequency of each word of Pragraph. Q2: oops concept of Java and collections Q3: How to find second heighest salary in a table

Core Java (OOP, Polymorphism, Multithreading) MySQL (Basic SQL queries, Joins) REST API, Spring Boot Programming (Palindrome string, Remove duplicates in an array, Demonstrate polymorphism) HashMap & Collections (Probably questions on internal workings, time complexity, etc.)
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Junior Java Developer

Interviewed at Moolya Software Testing

3.7
Mar 26, 2025

Core Java (OOP, Polymorphism, Multithreading) MySQL (Basic SQL queries, Joins) REST API, Spring Boot Programming (Palindrome string, Remove duplicates in an array, Demonstrate polymorphism) HashMap & Collections (Probably questions on internal workings, time complexity, etc.)

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