Java NPE in ternary operator with autoboxing?

Question

I ran across a very weird NPE this morning, and reduced it to a simple example. Is this a JVM bug or correct behavior?

public class Test1 {
    class Item {
         


        

Answer 1

If you decompile the class file you will see clearly your NPE...

return Integer.valueOf(item != null ? item.getId().intValue() : 1);