Core java ... concept of core java like oops,string builder,string buffer,collections like array list,hash map, exception handling ,null pointer exception,,thread,and so on
Java Entwickler Interview Questions
30,889 java entwickler interview questions shared by candidates
What is method overloading and overriding
write a program for prime number between 2 to 50.
Normal behavioral questions. Asked to write a FizzBuzz code.
Hashmap internal implementation ?
Why are you your leaving current position?
What is the difference between abstract classes and interfaces in Java? Explain the concept of multithreading in Java and how it is achieved. How does Java handle memory management and garbage collection? What are the access modifiers in Java, and how do they differ from each other? What is the difference between static and non-static methods in Java? How do you handle exceptions in Java? Explain the try-catch-finally block. What is the purpose of the "final" keyword in Java, and where is it used? What are the different types of inheritance in Java, and how do you implement them? How does Java support method overloading and method overriding? Explain the "equals" and "hashCode" methods in Java, and why are they important when dealing with objects. How would you read and write data to a file in Java using I/O streams?
where will local variables and primitive data wil be stored
The difference in the Query Parameter and Path parameter?
First a quiz is given before moving forward to the 2nd interview.
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