What is the output of the following code segments? //ArrayList a contains the In

Question

What is the output of the following code segments? //ArrayList a contains the Integers: 6 58 5 4 3 9 //ArrayList b contains the Integers: 5 47    Set<Integer> ta = newTreeSet<Integer>(a);    Iterator<Integer> i =ta.iterator();    while(i.hasNext()) 12.      System.out.print(i.next() +" ");     System.out.println();     Set<Integer> ha = newHashSet<Integer>(a);     i = ha.iterator();     while(i.hasNext()); 13.        System.out.print(i.next()+ " ");      System.out.println(); 14.System.out.println(ta.removeAll(b)); 15.System.out.println(ta); 12.____________ 13.____________ 14.____________ 15.____________ What is the output of the following code segments? //ArrayList a contains the Integers: 6 58 5 4 3 9 //ArrayList b contains the Integers: 5 47 //ArrayList b contains the Integers: 5 47    Set<Integer> ta = newTreeSet<Integer>(a);    Iterator<Integer> i =ta.iterator();    while(i.hasNext()) 12.      System.out.print(i.next() +" ");     System.out.println();     Set<Integer> ha = newHashSet<Integer>(a);     i = ha.iterator();     while(i.hasNext()); 13.        System.out.print(i.next()+ " ");      System.out.println(); 14.System.out.println(ta.removeAll(b)); 15.System.out.println(ta); 12.____________ 13.____________ 14.____________ 15.____________ 15.____________

Explanation / Answer

12. 3 4   5 6 8 9 ,because “Treeset” allows the elements to be retrievedin a particular order.

13. 9 3 4   5   8 6

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