#try-finally

How to: Why does changing the returned variable in a finally block not change the return value?

Why does changing the returned variable in a finally block not change the return value?

I have a simple Java class as shown below:

public class Test { private String s; public String foo() { try { s = "dev"; return s; } finally { s = "override variable s"; System.out.println("Entry in finally Block"); } } public static void main(String[] xyz) { Test obj = new Test();…

try-finally block prevents StackOverflowError

Take a look at the following two methods:

public static void foo() { try { foo(); } finally { foo(); } } public static void bar() { bar(); }

Running bar() clearly results in a StackOverflowError, but running foo() does not (the program just seems to run indefinitely). Why is that?

Answer: try-finally block prevents StackOverflowError

When you get an…