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Java assert gives strange results

what should the following java code do?

public class foo{
    public static void main(String[] args){
        boolean mybool=false;
        assert (mybool==true);
    }
}

Should this give an assertion error? And if not, then why? (I get no errors!)

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4 answers

It must be chosen AssertionErors.

You need to enable claims if you are using Eclipse. By default, they are disabled.

To do this, add -ea to the JVM arguments.

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When starting the program, you need to enable the statements in the Java virtual machine by adding the '-e' command line:

java -ea -jar myprogram.jar
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Java . , .

. Apache Commons Lang ( Validator), Spring ( Assert) JUnit4 ( Assert) , VM. Java5, , java assert, , .

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, .

( ), , mybool false.

if statements are enabled (jvm -ea argument), the statement will be executed and the side effect of mybool will be set to true.

You can use this to force enable or disable claims. For example, I have a Test in my TestSuites that fails if statements are not included to ensure that statements are always included when tests are run.

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Source: https://habr.com/ru/post/1712879/

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