OnJava8-Examples/validating/Assert2.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// validating/Assert2.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Assert with an information-expression

// {java Assert2 -ea}

// {ThrowsException}

public class Assert2 {

public static void main(String[] args) {

assert false:

"Here's a message saying what happened";

}

/* Output:

___[ Error Output ]___

Exception in thread "main" java.lang.AssertionError:

Here's a message saying what happened

at Assert2.main(Assert2.java:8)