Java Coding Interview Questions and Answers (Solution Code with Detailed Explanations) | Coding Practice Exercises
What you will learn
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Solve real-world coding problems using core Java concepts like variables, data types, and control structures.
Apply object-oriented programming (OOP) principles such as inheritance, polymorphism, and encapsulation in practical scenarios.
Master the Java Collections Framework , including ArrayList, HashMap, HashSet, and their use cases.
Understand and implement multithreading concepts like thread lifecycle, synchronization, and concurrency.
Handle errors effectively using exception handling techniques like try-catch-finally and custom exceptions.
Write efficient code using Java 8+ features such as lambda expressions, streams API, and functional interfaces.
Optimize performance by understanding memory management , garbage collection, and JVM architecture.
Practice solving frequently asked Java interview questions with step-by-step solutions and explanations.
Implement design patterns like singleton, factory, and builder to solve complex programming challenges.
Gain hands-on experience with file handling , serialization, and reflection for real-world applications.
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