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601 technical lead java interview questions shared by candidates

1st round: .Brief introduction about myself .Which technologies I have worked on .have you worked on struts .Do you have experience on hibernate .Have you worked on NoSql .What is the URL or configuration parameter of the MongoDB you're connecting to (basically he was interested to know if I am aware how the connectionString of mongoDB look like) .How the configuration to connect to Mongo is handled in your application, give some parameter names .How to know if no consumer is consuming in Kafka .which tool or commands are you using to check kafka related things .What is microservices .write a microservice to provide CatalogService, OrderService and BillingService .Explain the code you wrote for above question As I had used Java8 to write the code I was asked questions related to it .New features in Java8 .what is stream .give your view about Diamond problem with java8 .have u worked with collections .internal working of hashmap .hashMap key related requirements .write a custom class to be used as hashmap key .singleton pattern
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Java- Lead Engineer

Interviewed at Amdocs

3.7★
Jul 5, 2021

1st round: .Brief introduction about myself .Which technologies I have worked on .have you worked on struts .Do you have experience on hibernate .Have you worked on NoSql .What is the URL or configuration parameter of the MongoDB you're connecting to (basically he was interested to know if I am aware how the connectionString of mongoDB look like) .How the configuration to connect to Mongo is handled in your application, give some parameter names .How to know if no consumer is consuming in Kafka .which tool or commands are you using to check kafka related things .What is microservices .write a microservice to provide CatalogService, OrderService and BillingService .Explain the code you wrote for above question As I had used Java8 to write the code I was asked questions related to it .New features in Java8 .what is stream .give your view about Diamond problem with java8 .have u worked with collections .internal working of hashmap .hashMap key related requirements .write a custom class to be used as hashmap key .singleton pattern

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