PPT-1 Chapter 7: Single-Dimensional Arrays

CS1 Java Programming Colorado State University Original slides by Daniel Liang Modified slides by Chris Wilcox 2 Opening Problem Read one hundred numbers compute their average and find out how many numbers are above the average . 1 Chapter 8 http://www.csam.iit.edu/~oaldawud Topics Rectangular & Jagged. Plus: More 1D traversal. Array. . Recall. Creating a 2D array of doubles:. double[][] grid = new double[3][4]; . 3 rows: indices 0 to 2, 4 columns: indices 0 to 3. grid. : reference to entire array. In high-level languages, we have several . technigues. available for . constucting. data . stuctures. :. One-dimensional arrays. Multi-dimensional arrays. Structs. Bit sets. Linked lists. Trees. e. Arrays: Higher Dimensional Arrays. Review. If the . ==. operator has two array variable operands, what is being compared?. The reference variables held in the variables.. How do you compare two arrays to see if they hold the same elements?. public class TwoDArray. {. private int rows;. private int cols;. private String[][] myArray;. . public TwoDArray(int numRows, int numCols). {. rows = numRows;. cols = numCols;. Suppose you need to write a program that stores the student ID numbers of 20 students and then the grades for each of them on three different tests. You could create 4 parallel arrays to hold this data; but, it would be nice to put the test grades all into one storage structure. Something like the table below:. , Floating Point Numbers. Serialization. Serialization is the concept of turning any data structure or objects into a stream of bytes.. In C, we lack proper objects so most of our data structures are already bytes in memory.. Lecture Set 9 Arrays, Collections and Repetition Part C - Random Numbers Rectangular and Jagged arrays 1/4/2016 10:04 PM Objectives Understand the concept of random numbers and how to generate random numbers University of Florida Department of CISE Spring 2013. Lecture . 13 . – Having Fun with Arrays. in Java. Webpage. :. . www.cise.ufl.edu/~mssz/JavaNM/Top-Level.html. COP2800 – Programming in JAVA. The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand Accident Problem. Each year the Department of Traffic Accidents receives accident count reports from a number of cities and towns across the country. Given details of ‘n’ days, develop an algorithm and write a program to determine the average number of accidents and for each day, print the difference between the number of accidents on that day and average. For example, if the number of accidents is 5 and the values are 10, 12, 15, 13, 5 then average is 11 and the difference of values are 1, 1, 4, 2, 6.