What is concurrent hashmap and its features?
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In case of inheritance what is the execution order of constructor and destructor?
What is the purpose of methodology?
Wha is the output from system.out.println(“hello”+null); ?
What is a pattern what is an anti pattern?
What are the two types of java?
what is interface in java? Explain
If an application has multiple classes in it, is it okay to have a main method in more than one class?
Where is java located?
What is the implementation of destroy method in java. Is it native or java code?
why do we use interface in java?
Can list contain null in java?
What is the preferred size of a component?