Computer Science Questionnaire

Description

1. If an array list has 500 elements, how many elements will need to be moved to insert an element into position 100?

1.2

2.100

3.0

4.400

2. Which of the following is not a difference between arrays and collections?

1.Arrays can store unwrapped primitive types, but collections cant

2. Arrays can store user-defined objects, but collections cant.

3. Collections are created from classes, but arrays arent.

4.Collections can grow in size, but arrays cant.

3. To change the size of an array list, you must

1.code a statement that specifies the percent by which you want the size increased

2.none of the above

3.either a or b

4.code a statement that specifies the new number of elements

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