Q1: In which Java version, text blocks are available as preview feature?
- Java 10
- Java 11
- Java 12
- Java 13
Q2: What’s the output printed to console if you are using Java 11?
public static void main(String[] args) { Map<String, String> myMap = Map.of("key", "value"); Map<String, String> myCopyMap = Map.copyOf(myMap); System.out.println(myCopyMap == myMap); }
Q3: Spring Framework question. If you already worked with Spring framework, you probably already observed that a banner is printed to console when a Spring app is starting (during bootstrap phase). Can you imagine some useful situations when printing this banner is actually helpful?

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