VnV AT : M3(Java) - Day 4
Quiz by neelimap
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5 questions
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- Q1Which interface provides the capability to store objects using a key-value pair ?java.util.Setjava.util.Listjava.util.Collectionjava.util.Map30s
- Q2Which of the following statement is false about HashMap class ?HashMap maintains order of its element.HashMap has key value pair type of storage.HashMap uses a hashtable to store the map.HashMap class is not synchronized.30s
- Q3What is Collection in Java?none of thesea group of objectsa group of interfacesa group of classes30s
- Q4Which of these is method for testing whether the specified element is a file or a directory?isFile()Isfile()isfile()IsFile()30s
- Q5What does this code return ? try{ File f = new File("a.txt"); }catch(Exception e){ }catch(IOException io){ }compilation errornone of thesefalsetrue30s