Skip to contentSkip to footer

Java Senior Interview Questions

Salaries
Interviews

6,035 java senior interview questions shared by candidates

L-1: Top10Employees list using Java 8 streams. Salary > 50000/- using Java 8 streams Salary > 50000/- and age < 40 (DOB) using Java 8 streams {1,2,3,4,5} sum = 6 Output {1,5} {2,4} using loops Questions: Java8 streams Functional interfaces HashMap internally working Red black tree @SpringBoot Application What happens without giving to the query params in @put method Schedulers CB pattern Uses of Kafka L-2: Spring boot & Microservices architect How to communicate Micro services How to call external APIs
avatar

Senior Java Developer

Interviewed at Deloitte

3.8★
May 25, 2026

L-1: Top10Employees list using Java 8 streams. Salary > 50000/- using Java 8 streams Salary > 50000/- and age < 40 (DOB) using Java 8 streams {1,2,3,4,5} sum = 6 Output {1,5} {2,4} using loops Questions: Java8 streams Functional interfaces HashMap internally working Red black tree @SpringBoot Application What happens without giving to the query params in @put method Schedulers CB pattern Uses of Kafka L-2: Spring boot & Microservices architect How to communicate Micro services How to call external APIs

Java 8 Features: What are lambda expressions in Java? Provide an example. Explain the Stream API and its benefits. What are default methods in interfaces? Memory Management: How does garbage collection work in Java? Explain the difference between stack and heap memory.
avatar

Senior Java Developer

Interviewed at NTT DATA

3.7★
Jul 9, 2024

Java 8 Features: What are lambda expressions in Java? Provide an example. Explain the Stream API and its benefits. What are default methods in interfaces? Memory Management: How does garbage collection work in Java? Explain the difference between stack and heap memory.

Viewing 5831 - 5840 interview questions

Glassdoor has 6,035 interview questions and reports from Java senior interviews. Prepare for your interview. Get hired. Love your job.