Q1. How will you go about explaining the following Java concepts to a beginner who is starting to learn Java? 1. Process Vs Threads 2. Heap versus Stack 3. Local variables versus instance variables 4. How do threads communicate with each other? 5. … Read more ›...
Mistake #1: Using floating point data types like float or double for monetary calculations. This can lead to rounding issues. In the above code, 2, 4, and 5 are correct and 1 and 3 are incorrect usage leading to rounding issues. So, either use BigDecimal … Read more ›...
These 17 beginner Java interview questions & answers are not only for the entry level job interviews, but also get a good grasp of the beginner level Java concepts.
Q1. Why use Java?
A1. Java is a very popular language as per the TIOBE index.
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During development and design, one needs to think in terms of compile-time, run-time, and build-time. It will also help you understand the fundamentals better. These are beginner to intermediate level questions.
Q1.
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