What are java packages? What is the significance of packages?
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What are assertions in java?
What is array class in java?
what is mean by thread lock?
What is object data type?
Can a java program have 2 main methods?
Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?
When can you say a graph to be a tree?
What is the difference between preemptive scheduling and time slicing in java programming?
What is difference between float and double?
Explain throw keyword in java?
difference between vectorlist and hash
What is supplier in java?