codeChallenges | original solutions and unit tests | Hashing library
kandi X-RAY | codeChallenges Summary
kandi X-RAY | codeChallenges Summary
A collection of original solutions and unit tests for programming challenges I've completed.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of codeChallenges
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QUESTION
I'm honing/getting my feet back under me doing some simple code challenges in java and making sure I can assert both when the code works and when it throws an exception.
When I test with something that should pass, the code passes correctly. When I have it throw an exception, it throws the exception. But when I use assertThrows on the exception, the test fails with this error:
java.lang.NoSuchMethodError: 'java.lang.Throwable org.junit.Assert.assertThrows(java.lang.Class, org.junit.function.ThrowingRunnable)'
The test code looks like:
...ANSWER
Answered 2020-Dec-01 at 16:14assertThrows(NoSuchElementException.class, ()-> TwoSum.twoSum(testArray, 20));
QUESTION
I am new to Spring Boot and have Autowired an @Component annotated class into my Application class. In the main method, I am then trying to call a method on this Autowired class. However, when I call a method from this Autowired class, it tells me that it 'cannot be resolved'.
What is the point of autowiring a class if you have to instantiate it like you would if it wasn't autowired? Doesn't this make autowiring unnecessary?
My application class that produces the error is:
...ANSWER
Answered 2018-Dec-22 at 06:50Autowiring isn't working in your case because at the point you are trying to use your bean, the springContext isn't up and hence the dependencies aren't injected. Try this, use event listener:
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