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IA🎯 Crack Your Java Interview at EPAM Senior Software Engineer Level!
Here are actual interview questions asked for this role – master them and boost your chances! 🚀
1️⃣ Find the actual longest substring without repeating characters (given input: “abcabcbb”).
2️⃣ Lambda Expressions in Java.
3️⃣ Intermediate Functions in Streams.
4️⃣ Difference between flatMap and map in Stream.
5️⃣ Function Interface in Java.
6️⃣ Explanation of collect(Collectors.groupingBy(Function.identity(), Collectors.counting())) vs Collectors.counting().
7️⃣ Explain the whole code for collect(Collectors.groupingBy(Function.identity(), Collectors.counting())) step by step.
8️⃣ Find the character that is repeating the maximum number of times and determine if its occurrence is odd or even (using Stream API) for input: “aabbbccccddddd”.
9️⃣ Parallel Streams in Java.
🔟 Metaspace in Java 8.
🔢 Mark and Sweep Algorithm in Java.
🔢 Old and Young Generations in Java Garbage Collection.
🔢 ClassLoader in Java.
🔢 Spring Boot Annotations.
🔢 How Spring Security Works in Authentication and Authorization.
🔢 Dependency Injection Process.
🔢 Difference between @Interceptor and @Filter in Spring Boot.
🔢 @ConditionalOnBean Property.
🔢 @ConditionalOnBean Property Example in Code.
🔢 Difference between @Pointcut and @Advice.
🔢 Actual code example for creating a custom actuator in Spring Boot.
🔢 Key Challenges in Microservice Communication.
🔢 Kafka Components [Click here].
🔢 Kafka Topics.
🔢 Optional.of and Optional.ofNullable in Java.
🔢 Optional.orElse in Java.
🔢 Optional.orElseGet Example in Java.
🔢 Executor Service in Java.
🔢 AWS Key Components.
💡 These real interview questions test both theory and application. Be ready with clear examples to ace your interview!
👉 Save this post for later, and tag a friend who’s preparing for tech interviews! 🙌
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