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18,726 technical lead java interview questions shared by candidates

1)Introduction 2)Java version you worked on? 3)Java 8 Features? 4)Stream Api 5)Print unique characters from string using Streams Api 6)Query to find max salaray and department name for each department 7)Multithreading 8)Complex problem you have solved in your previous project 9)Your role in previous project 10)Spring security 11)JWT based authentication But interviwer didn't seem like tin a mood to take a interview after I gave my answers and he didn't even cross question single question he just had laptop infront of him and maybe he was just asking the set of questions.
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Junior Java Developer

Interviewed at Comsense Technologies

4.1★
Jun 17, 2025

1)Introduction 2)Java version you worked on? 3)Java 8 Features? 4)Stream Api 5)Print unique characters from string using Streams Api 6)Query to find max salaray and department name for each department 7)Multithreading 8)Complex problem you have solved in your previous project 9)Your role in previous project 10)Spring security 11)JWT based authentication But interviwer didn't seem like tin a mood to take a interview after I gave my answers and he didn't even cross question single question he just had laptop infront of him and maybe he was just asking the set of questions.

I was asked to write a function that sums the values of the characters in a given string, where each lowercase letter corresponds to its position in the alphabet (for example, a = 1, b = 2, c = 3, and so on). The function should ignore any characters that are not lowercase letters.
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Senior Java Developer

Interviewed at Peterson Technology Partners

4.3★
Apr 23, 2025

I was asked to write a function that sums the values of the characters in a given string, where each lowercase letter corresponds to its position in the alphabet (for example, a = 1, b = 2, c = 3, and so on). The function should ignore any characters that are not lowercase letters.

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