Package edu.cnm.deepdive

Class Generator

java.lang.Object

edu.cnm.deepdive.Generator

public class Generator
extends Object

Defines the oscillatingSquares(int) method, which constructs an array of values of alternating signs. Implementation of this method is included as a practical exam problem of the Deep Dive Coding Java training programs.

Method Summary

Modifier and Type	Method	Description
static int[]	oscillatingSquares(int length)	Creates and returns an int[] containing a sequence of alternating positive and negative squared values, of the form (-1)nn2, where n = 0…(length - 1).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

oscillatingSquares

public static int[] oscillatingSquares(int length)

Creates and returns an int[] containing a sequence of alternating positive and negative squared values, of the form (-1)ⁿn², where n = 0…(length - 1).

For example, Generator.oscillatingSquares(5) returns an array containing the values {0, -1, 4, -9, 16}.

Parameters:

length - Number of elements in array.

Returns:

Generated array of oscillating squares.