Difficulty level : Intermediate
Predict the output of following Java Programs.
a b c
While creating a new object of ‘Third’ type, before calling the default constructor of Third class, the default constructor of super class is called i.e, Second class and then again before the default constructor of super class, default constructor of First class is called. And hence gives such output.
10 200 400
Since in ‘Second’ class it doesn’t have its own ‘i’, the variable is inherited from the super class. Also, the constructor of parent is called when we create an object of Second.
false, true, false
The iterator() method returns an iterator over the elements in the list in proper sequence, it doesn’t return a List or a ListIterator object. A ListIterator can be obtained by invoking the listIterator method.
Run Time Exception
Exception in thread “main” java.lang.IllegalThreadStateException at java.lang.Thread.start
Thread cannot be started twice.
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