| What are generics in Java? |
| Why are generics used in Java? |
| What is the syntax for declaring a generic class? |
| What is the syntax for declaring a generic method? |
| What are the benefits of using generics? |
| Can you use primitives with generics? |
| What is type erasure in Java generics? |
| How do you create a generic class? |
| Can you have multiple type parameters in a generic class? |
| What are raw types in generics? |
| What is the difference between List |
| What is the wildcard ? in Java Generics? |
| Explain bounded type parameters. |
| Difference between extends and super in generics. |
| Can we use generics with arrays? |
| Why is it not allowed to create an array of generic type? |
| How does generics affect polymorphism? |
| What are generic methods? Provide an example. |
| Can a generic method be static? |
| How do generics work at runtime? |
| What is the PECS principle (Producer Extends Consumer Super)? |
| What are the limitations of Java Generics? |
| Explain the concept of generic type inference. |
| How is type safety ensured using generics? |
| Can you override a method with different generic parameters? |
| How is generics implemented in Java internally? |
| Can you use instanceof with generics? |
| Can you create a generic enum or generic exception class? |
| What are the differences between generic and non-generic collections? |
| How does Java handle backward compatibility with generics? |
| Explain this code: public void show(T t). |
| What would happen if we use raw types with generics? |
| Why are generic types not reified? |
| What is the output of this generic method code snippet? (Give a specific code). |
| What are the implications of type erasure? |
| Can you overload methods with different generic return types? |
| How to create a generic singleton class? |
| Is it possible to restrict generics to certain classes/interfaces only? |
| When should you use wildcard generics in method arguments? |
| Can you assign List to List and vice versa? |
| Would you like answers or code examples for any of these questions? Or would you like 100+ questions in a PDF format? |
| What are generic interfaces? Can you provide an example? |
| Can we have a generic constructor in a non-generic class? |
| Can we use a generic class without specifying type? |
| What is the difference between generic class and generic method? |
| What are the rules for using multiple bounds in generics? |
| What is the default upper bound of a generic type in Java? |
| What are the risks of using raw types? |
| Can we instantiate a generic type at runtime? |
| How does autoboxing work with generics? |
| Can you use generics with throws clause in exceptions? |
| What is a generic factory pattern? |
| How can generics be used in DAO (Data Access Object) design? |
| How would you write a type-safe generic comparator? |
| How can generics be used with reflection? |
| What is a generic recursive type bound? |
| Can you have nested generic types like Map>? |
| What are covariant and contravariant types in generics? |
| How do you resolve ?unchecked cast? warnings with generics? |
| What is the effective use of generics in custom collections? |
| How can you write a type-safe generic builder class? |
| Why is List |
| Can we create a generic array in Java? |
| Explain this declaration: Class clazz. |
| Can generic classes extend or implement other generic classes? |
| Can we write T[] in a generic method or class? |
| Why does this code fail: T t = new T();? |
| What are reifiable and non-reifiable types? |
| How do generics differ from templates in C++? |
| What is the purpose of @SuppressWarnings("unchecked")? |
| How are generic types handled by the JVM? |
| When should we use unbounded wildcard ? |
| When should we use ? |
| When should we use ? |
| How do wildcards affect method overriding and overloading? |
| Can you assign List to List? |
| Why are wildcard captures necessary in some generic code? |
| Can you use a wildcard as a return type? |
| What does "capture of ?" mean in compiler errors? |
| Write a generic method to copy elements from one list to another. |
| Why does the following code give a compilation error? (Insert code with List |
| Can we overload generic methods with different type parameters? |
| Can we pass a generic method as a parameter? |
| How do bounded type parameters affect method signatures? |
| What is the difference between T and E in generics? Are they interchangeable? |
| Can you use generics with lambda expressions? |
| How can we sort a List using a generic comparator? |
| Can you override a generic method in a subclass? |
| Can you use generic classes in annotations? |
| How does the Java compiler check for generic type safety? |
| What tools help detect generic misuse (e.g., static code analyzers)? |
| How are generics used in the Java Collections API? |
| How does Java handle generic bytecode? |
| What are best practices when using generics in library APIs? |
| How are generics used in popular libraries like Guava or Spring? |
| When would you choose to not use generics? |
| Can generic types improve code readability or make it worse? |
| How do generics affect serialization? |
| Can generic parameters extend more than one class/interface? |
| What are F-bounded polymorphism and where is it used? |
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