[Solved] Convert one object to another using generics [closed]

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The error you are getting is because your generic is using improper bounding.

Change your method declaration to:

public static <T extends IFoo2> T convert(IFoo1 foo1, Class<T> clz) {
    T foo2 = clz.newInstance();
    ....
    return foo2; 
}

There is another type of bounding you may have been thinking of. I recommend reading this SO question: Understanding upper and lower bounds on ? in Java Generics

solved Convert one object to another using generics [closed]