Java 2 Quiz 9

____ is the process of arranging a series of objects in some logical order.

• Passing
• Organizing
• Sorting
• Sending

In a(n) ____, you repeatedly compare pairs of items, swapping them if they are out of order, eventually creating a sorted list.

• range match
• bubble sort
• enhanced for loop
• A.float sort

An array that you can picture as a column of values, and whose elements you can access using one subscript, is a ____ array.

• single-dimensional
• two-dimensional
• parallel
• column

When mathematicians use a two-dimensional array, they often call it a ____.

• grid
• net
• matrix
• mesh

How would you create an array named someNumbers that holds three rows and four columns?

• int[ ][ ] someNumbers = new int[4][3]
• int[ ][ ] someNumbers = new int[3][4]
• int[ ] someNumbers = new int[3][4]
• double[ ][ ] someNumbers = new int[3][4]

To declare a two-dimensional array in Java, you type two sets of ____ after the array type

• { }
• [ ]
• ( )
• < >

With a two-dimensional array, the ____ field holds the number of rows in the array.

• size
• capacity
• row
• length

Which Java statement creates a ragged array with six rows?

• double [ ][ ] sales = new double[6][4]
• double [ ][ ] sales = new double[4][6]
• A.double [ ][ ] sales = new double[6][ ]
• A.double [ ][ ] sales = new double[ ][6]

The Arrays class ____ method puts a particular value in each element of the array.

• binarySearch
• fill
• equals
• search

The Arrays class ____ methods are a new feature in Java 8 that makes sorting more efficient when thousands or millions of objects need to be sorted

• compare
• equals
• parallelSort
• fill