There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?
I was asked to draw the class diagram for the below scenario which should obey OOPS concept. A Portal is to be developed for a school , which has 3 main divisions viz , Education , Admin & Trust. Each division has 2 sub divisions Kinder Garden & Higer Secondary.3 10407
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What is the java project architecture?
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In which language JVM (Java Virtual Machine) is implemented5 6299
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explain the concept of virtual method invocation in polymorphism in detail?
Why java uses the concept of the string literal?
Is set thread safe java?
What are accessor methods in java?
What are the different types of collections in java?
What is the properties class?
How do you pass by reference?
What are loops in java?
Why main method is static in java?
Explain the init method?
What is the final keyword in java?
What is immutability in java?
Can we restart a thread already started in java?
Explain different ways of creating a thread?
What is a subsequence of a string?