When can you say a graph to be a tree?
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What is casting in java programming?
What is an immutable class?
How many types of syncronization?
Why java is call by value?
Can we override final method?
Why string is popular hashmap key in java?
What is an arraylist in java?
What is the difference between variable & constant?
What do you mean by an object in java?
Explain list interface?
what is the use of bean managed and container managed with example?
Is java an open source?