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Junior Java Developer Interview Questions

"Junior developers are often responsible for writing the more monotonous and simple code required by senior members of the development team. Because of this, interviews will be designed to test your knowledge of the fundamentals of Java so be prepared to answer technical questions that you likely came across in college. Data structures and algorithms will be heavily emphasised. A bachelor's degree or equivalent work experience is required. "

3,800 junior java developer interview questions shared by candidates

Basic debugging questions and some hard hashmap and lists questions. All online questions were multiple choice (well, that made it worse?). Some of the preliminary questions were very basic. There are 23 questions of be completed in 60 minutes.
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Junior Java Software Developer

Interviewed at Interactive Brokers

3.4★
Oct 13, 2015

Basic debugging questions and some hard hashmap and lists questions. All online questions were multiple choice (well, that made it worse?). Some of the preliminary questions were very basic. There are 23 questions of be completed in 60 minutes.

What are the main features of Java? • Expect to discuss platform independence (JVM), object-oriented nature, memory management (garbage collection), multithreading, and robustness. • What is the difference between JDK, JRE, and JVM? • JDK (Java Development Kit): Includes tools for developing Java applications. • JRE (Java Runtime Environment): Contains libraries and JVM to run Java applications. • JVM (Java Virtual Machine): Converts bytecode into machine code and executes it. • What are primitive data types in Java? • Byte, short, int, long, float, double, char, boolean. • Explain the final, finally, and finalize() keywords.
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Junior Java Developer

Interviewed at Unisys

3.5★
Oct 15, 2024

What are the main features of Java? • Expect to discuss platform independence (JVM), object-oriented nature, memory management (garbage collection), multithreading, and robustness. • What is the difference between JDK, JRE, and JVM? • JDK (Java Development Kit): Includes tools for developing Java applications. • JRE (Java Runtime Environment): Contains libraries and JVM to run Java applications. • JVM (Java Virtual Machine): Converts bytecode into machine code and executes it. • What are primitive data types in Java? • Byte, short, int, long, float, double, char, boolean. • Explain the final, finally, and finalize() keywords.

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