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Java - Test Questions on 'Between' - 7 questions found

Which of the following can be marked static ?

Core Java

Methods , Variables and Initialization Blocks.

Methods , Variables , Initialization Blocks and Outer Classes and nested Classes.

Methods , Variables , Initialization Blocks and Outer Classes.

Methods , Variables , Initialization Blocks and nested Classes.

_{oops java static nested classes static nested classes}

Which of the following collections stores its elements in insertion Order ?

Core Java

HashMap

TreeMap

LinkedHashMap

LinkedMap

_{linkedhashmap collections java map}

Which of the following Java feature promotes access protection or Hiding ?

Reference

Core Java

Inheritance

Encapsulation

Abstraction

Composition

_{java java concepts java features oops concepts oops features access protection information hiding}

Which of the following is true ?

Core Java

Composition is Tightly Bound

Inheritance is Tightly Bound

Object can only hold reference of only one other object

A Class cannot be extended by multiple classes

What will be the output of exceuting main method ?

public static void main(String[] args){
      List list = new ArrayList();
      list.add(1);
      list.add(2);
      list.add(3);
      System.out.println(list);
   }

Core Java

1,2,3

Order cannot be determined

compilation error

3,2,1

_{collections list arraylist}

Function variables are kept in ..

Core Java

Stack

Heap

Both Stack and Heap

None of them

_{memory management stack heap}

In Case a method is declared to throw an exception , We can only use a call to that method if ...

Core Java

We use the call within try block and catch the exception

We declare that the method is expected to throw the exception using throws

Both 1 and 2

Either 1 or 2

_{exception handling throws}

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