JuniorTheoryCommon

What does the program print?

JAVA

public class Main {
    public static void main(String[] args) {
        try {
            int n = Integer.parseInt("x");
            System.out.print(1);
        } catch (NumberFormatException e) {
            System.out.print(2);
        } finally {
            System.out.print(3);
        }
    }
}

Expecting 123: the line that throws ends try at once, so print(1) after it never runs; control goes straight to the catch.
Expecting 2: finally is not skipped when a catch has handled the exception; it runs after try and catch whatever happens.

What does the program print if the string is "5" instead of "x"?
Does finally run if the try block ends with return?

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Back to questions

JuniorTheoryCommon

What does the program print?

JAVA

public class Main {
    public static void main(String[] args) {
        try {
            int n = Integer.parseInt("x");
            System.out.print(1);
        } catch (NumberFormatException e) {
            System.out.print(2);
        } finally {
            System.out.print(3);
        }
    }
}

Expecting 123: the line that throws ends try at once, so print(1) after it never runs; control goes straight to the catch.
Expecting 2: finally is not skipped when a catch has handled the exception; it runs after try and catch whatever happens.

What does the program print if the string is "5" instead of "x"?
Does finally run if the try block ends with return?

Back to questions Open topic in roadmap →Answer it yourself — Quiz