Question: What does the following statement sequence print? String str = Hello; int n = str . length ( ) ; String mystery = s t

What does the following statement sequence print?
String str = "Hello";
int n= str. length () ;
String mystery =str*substring(,1)
str. substring (n-2,n+1);
System.out.println(mystery);
Run-time error
He
Ho
Hry
What does the following statement sequence print? String str = "Hello";

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