Sobes.tech

Explain the purpose and features of marker interfaces in programming.

Junior — Middle
195

What will happen if, in a class used as a key, the equals and hashCode methods behave differently despite having matching values?

Junior — Middle
193

Are there any restrictions on using primitive types in generics?

Junior — Middle
190

How does the internal array size of ArrayList change when adding the 11th element to a list of 10 elements?

Junior — Middle
190

How will the size of the Vector container change when inserting the 11th element if it initially contains 10 elements?

Junior — Middle
188

Can you explain the main ideas of the PECS principles in software development?

Junior — Middle
188

What is the *.var construct in programming languages and what elements does it consist of?

Junior — Middle
185

What will happen to the hashCode method in a class if it does not explicitly inherit it from another class?

Junior — Middle
185

Can you name the main composition patterns in object-oriented design?

Junior — Middle
182

How does the class loading mechanism in JVM work and what types of ClassLoader do you know?

Junior — Middle
181

What consequences can arise from mass object creation in a program?

Junior — Middle
176

How to create a fully functional application from Java source code?

Junior — Middle
174

Where is a resource or object reference usually stored in the system?

Junior — Middle
174

What is the purpose of wrapper classes in programming?

Junior — Middle
172

What is the main role of using the keyword final when defining a class or interface in Java?

Junior — Middle
169

What limitations exist when using generics in a programming language?

Junior — Middle
165

Can you name different types of garbage collectors used in JVM?

Junior — Middle
165
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