Java Collections max method

In the java.util.Collections class, the max method is declared as follows:

Java Collections max method

In the java.util.Collections class, the max method is declared as follows:

why do arraylist can’t accept data without generics

Why am i getting error here, even though i’m entering Integer object here? can someone explain?

How to check Map’s generic types in java

Do we have a simple way to check the generic types of Map object.