'Nums' diaporamas de présentation

Quicksort

Quicksort. David Kauchak cs062 Spring 2010. public static int partition( double [] nums , int start, int end){ int lessThanIndex = start-1; for ( int i = start; i < end; i ++ ){ if ( nums[i ] <= nums[end ] ){ lessThanIndex ++; swap(nums , lessThanIndex , i ); }

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CHAPTER 8 ARRAYS

CHAPTER 8 ARRAYS. This chapter in the book includes: 8.1 One-Dimensional Arrays 8.2 Array Initialization 8.3 Arrays and Arguments 8.4 Two-Dimensional Arrays 8.5 Common Programming Errors 8.6 Chapter Summary. Click the mouse to move to the next page. Use the ESC key to exit this chapter.

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Arrays

Arrays. What is an array?. An array is a group of items all of the same type which are accessed through a single identifier. int[] nums = new int[ 10 ];. 0 1 2 3 4 5 6 7 8 9. nums. Array References. int[] nums;. nums. null. null. nothing.

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1.0.1.8 .3 Introduction to Perl Session 3

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Arrays

Arrays. What is an array?. An array is a collection of variables all of the same type. The size of an array is set when it is instantiated (created). What is an array?. Arrays allow you to store several variables of the same type in one place. int[ ] ray = new int[9];

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Arrays

Arrays. What is an array?. An array is a collection of variables all of the same type. The size of an array is set when it is instantiated (created). What is an array?. Arrays allow you to store several variables of the same type in one place. int[ ] ray = new int[9];

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Last Time

Last Time. Started Encapsulation (using some rather strange analogies!). Stuff. Note that PrimeNums sample files on web site have been updated (last night). Please download them again if you have already done so. Only the files TestPrimeNumsPrivacy.java PrimeNumsException.java

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TeachScheme, ReachJava

TeachScheme, ReachJava. Adelphi University Friday morning July 16, 2010. Class composition. Define a class LogEntry to represent a runner's daily log. It contains the Date of the run, the distance in miles, the time in minutes, and a free-form comment. Include a constructor

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CompSci 101 Introduction to Computer Science

CompSci 101 Introduction to Computer Science. October 2, 2014 Prof. Rodger. Announcements. Reading for next time on calendar page RQ 9 Nothing due today! APT 4 out today - due on Thursday, Oct 8. Tiffany Chen. B.S. Duke (UTA, ACM president)

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Lecture 14

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Declaring Arrays

Declaring Arrays. Declare an array of 10 elements: int nums[10]; Best practice: #define SIZE 10 int nums[SIZE] C99: int nums[someVariable] Declare an array with an initializer list int nums[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; Note: Don't need a number between [ and ]

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Arrays in Turing

Arrays in Turing. Need for Arrays - Why?. Currently: every variable can contain only one data item at a time Currently: previous piece of information stored will be replaced This is called destructive input. Destructive Input. Example: var name : string name := "Fred Flintstone

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????? ????

????? ????. void main() { int i; int ar1[5]={7,3,4,5,2}; int ar2[]={9,3,3,4,6}; /*the size is 5*/ int ar3[5]={3,2}; /*the other nums are 0*/ int ar4[3]; /*garbage*/ int ar5[100]; /*garbage*/ ar4[0]=12; ar4[1]=2; ar4[2]=9; for (i=0;i<100;i++) ar5[i]=i+5; }.

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Intro to Sorting

Intro to Sorting. Sorting "Ideal" Computer Science Topic Theory and Practice meet Efficient Sorting Saves Money First look at some simple (quick and dirty?) algorithms Selection Sort Find smallest; swap with element [0]

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Elementary Sorting

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JAVA ??????

JAVA ??????. ?????? 6 ??? , ???? , ????????????????? 6 ?????. import java.lang.*; import java.awt.*; import java.awt.event.*; // ??? MouseAdapter ? import javax.swing.*; // ??? JOptionPane public class j03100401 extends Frame { int[] nums; // ????????? Panel P1;

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