As someone who moved from Java to C# around 2013, I always felt that C# was close to Java but with less bad parts and more good parts. Looks like Java's now borrowing a lot of the nicer features which is good to see.
There are still so many nice exclusive features in C# that I definitely wouldn't want to go back to Java any time soon though (properties, powerful tuples, null coalescing, interpolated strings, ...).