Wipro Talent Next MCQ-6 (Array,Collection,IO)

What will be the output of the following Java code?

• 10,20,30,40,50

• compile time error

• run time error

• 10,20,30,40

What will be the output of the following Java code?

• 0 0

• 0 1

• 1 2

• compiler error

What will be the output of the following Java code?

• 0 1

• 0 0

• 1 2

• compiler error

Find the Answer

• Same

• Not Same

Find the answer

• Same

• Not Same

How to sort an array?

• Array.sort()

• Collection.sort()

• System.sort()

• Arrays.sort()

Which of the following is FALSE about arrays on Java?

• array is an object

• length of an array can be changed

• arrays allocated in heap

Find the output.

int arr[] = new int [3];

System.out.print(arr);

• value stored in arr[3]

• value stored in arr[2]

• Garbage value

• 0

Which of these classes is not part of Java’s collection framework?

• Array

• Queue

• Stack

• Maps

You need to store elements in a collection that guarantees that no duplicates are stored and all elements can be accessed in natural order. Which interface provides that capability?

• java.util.Collection

• java.util.Map

• java.util.Set

• java.util.List