nail fei

nail fei has asked 10 questions and find answers to 5 problems.

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nail fei questions

why cant find or load main class when extends TestCase class
When does the jvm assign hashcode value in the object header
golang with compile error: undefined: strings in strings.trim
how and when HashMap initialize entrySet and add value into it
how can I know the current classLoader in java
syntax error when using row_number in sqlite3
How to pass args to JVM which runs tests with Gradle
why BufferedReader.readLine can read a line which doesn't have a line separator

nail fei answers

ClassCastException while I use custom classloader
When is runnable object garbage collected in ExecutorService?
Loading, Linking, and Initializing - When does a class get loaded?
How to exclude a dependecy only for test scope in java