Reflection API · interview question

In which scenario would you need to use setAccessible(true) before calling Method.invoke()?

Multiple choiceMediumchapter-16-curatedpremiumreflection-apimethod-invoke

java

Method privateMethod = clazz.getDeclaredMethod("privateMethodName");
privateMethod.setAccessible(true);

To invoke a static method.To improve performance.To access a private method.To call a method with varargs.

Answer and explanation

Correct answer

C. To access a private method.

setAccessible(true) is used to bypass Java's access control checks, allowing reflection to invoke private or protected methods.

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