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If you fail to complete all 3 practical questions, you will have to spend the 6,600 yen exam fee and study time all over again. The Nissho Programming Certification EXPERT (Java) is divided into a ...

The main problem was 'class file has wrong version 55.0, should be 52.0'. This is caused when the Jar that I have included in the project was compiled with Java 11. The person who compiled that Jar ...

When processing data in arrays or lists, do you just reach for a for-loop (or enhanced for-loop) by default? When learning Java, the first thing that comes to mind when extracting data with specific ...