Core Java Interviewfragen und Antworten
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Frage 96. Can a abstract method have the static qualifier?
No
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Frage 97. What are the different types of qualifier and what is the default qualifier?
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Frage 98. Can an Interface be final?
No
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Frage 99. Can we define private and protected modifiers for variables in interfaces?
No
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Frage 100. What is a local, member and a class variable?
Variables declared within a method are 'local' variables. Variables declared within the class i.e not within any methods are 'member' variables (global variables). Variables declared within the class i.e not within any methods and are defined as 'static' are class variables.
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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()?