Core Java Interviewfragen und Antworten
Question: What is Constructor in Java?Answer: Constructor is a block of code which is executed at the time of Object creation. It is entirely different than methods. It has same name of class name and it cannot have any return type. |
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Am hilfreichsten laut Nutzern:
- How could Java classes direct program messages to the system console, but error messages, say to a file?
- What are the differences between an interface and an abstract class?
- Why would you use a synchronized block vs. synchronized method?
- How can you force garbage collection?
- What are the differences between the methods sleep() and wait()?