Chapter 8 Text Files Section 8.1 Managing Text Files 1. What method is used to copy the contents of a string array or LINQ query into a text file? (A) (B) (C) (D) 2. Which of the following methods is used to change the words in a column header of a DataGridView control? (A) (B) (C) (D) 3. CreateTextFile WriteAllLines CopyToTextFile ReadAllLines B HeaderText HeaderName HeaderContent HeaderCaption A What property is set to False in order to remove the row header column on the left side of a
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Object data = store[front]; store[front] = null; front = (front + 1) % MAX; return data; } } } Using the Queue Queue q = new ArrayQueue(); int result; // the following should be enclosed in a try-catch stmt q.enqueue( new Integer(5) ); q.enqueue( new Integer(2) ); result = ((Integer)q.dequeue()).intValue();
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std; int main() { int num; cout << "Please enter integer:- "; cin >> num; if ( num > 0) { cout << "You have entered a +ve integer:- " << num << endl; } else if (num<< "You have entered a -ve integer:- " << num << endl; } else { cout<< #include using namespace std; int main() { int num‚ i = 1‚ factorial = 1; cout << "You are in factorial program of C++. Please enter a +ve integer:- "; cin >> num; while ( i <<< num <<< factorial;
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AMA COMPUTER LEARNING CENTER BSIT & BSCS DEPARTMENT In partial Fulfillment of the Requirement for the course Introduction to Software Submitted by: Kim John A. Hidalgo Jairus S. Echevarre Nikki Hanna P. Palanog Submitted to: Karen Kate Seronay Date: February 7‚ 2013 Chapter 1 Introduction A hotel is an establishment that provides paid lodging on a short-termbasis. The provision of basic accommodation‚ in times past‚ consisting onlyof a room with a bed‚ a cupboard
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DataVariableName can be any name chosen as long as it is one word. • DataType can be one of the following basic types: Real‚ Integer‚ and String. o Real – any positive or negative number that has decimals (2.34‚ -9.987) o Integer – any positive or negative whole number (768‚ -98) o String – any alphanumeric value (123 Main Street‚ Joe Smith) Example: Declare count As Integer Declare lastName As String Declare price As Real Display (or Write) [Sting or data variable to be displayed] • If
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Data Representation Data and instructions that are presented in a written or typed format can only be understood by the user. If the data is not in the user’s language‚ s/he will not be able to understand it. It is the same way with the computer; the computer’s language is binary 0s and 1s. The computer cannot understand typed or written instructions or data. Whenever data or instructions or input to the computer it is first converted to 0s and 1s‚ these are called binary digits (bits). There
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bytes | Returns date and time | Decimal | Fixed-point number | 16 bytes | Large number values | Double | Floating-point number | 8 bytes | Number with decimal places | Integer | Integer | 4 bytes | Whole numbers | Long | Integer | 8 bytes | Whole numbers | Object | Object reference | 4 bytes | N/A | Short | Integer | 2 bytes | -32‚768 to 32‚767 | Single | Floating-point number | 4 bytes | Number with decimal values | String | Text | Varies | 0 to approximately 2 billion characters
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Paul Cauthon IT/210 October 31‚ 2014 Daryl Davis Declare Student[100] As String Delare Test1[100] As Integer Declare Test2[100] As Integer Declare Test3[100] As Integer Declare Count As Integer Open “Grades” For Output As Newfile Set Count = 0 Write “Enter the students name and test score from test 1.” Write “Enter ZZZ for the name and 0 for score when done.” Input Student Input Test1 While Student != ZZZ and Test1‚Test2‚Test3 !=0 Write “Enter the students name and score from test 1.” Write
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A Tutorial on Pointers and Arrays in C A TUTORIAL ON POINTERS AND ARRAYS IN C by Ted Jensen Version 1.1 (HTML version) July 1998 This material is hereby placed in the public domain Available in various formats via http://www.netcom.com/~tjensen/ptr/cpoint.htm TABLE OF CONTENTS Preface Introduction Chapter 1: What is a Pointer? Chapter 2: Pointer Types and Arrays. Chapter 3: Pointers and Strings Chapter 4: More on Strings Chapter 5: Pointers and Structures Chapter 6: More on Strings and Arrays
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—Hailstone Sequences [12 marks] A hailstone sequence is a sequence of integers found by applying the following rule: Hailstone Iteration: For an integer n in a hailstone sequence‚ the next item in the sequence is • 3n + 1 if n is odd‚ or • n / 2 if n is even. For example‚ the hailstone sequence starting at 6 is 6 ⇒ 3 ⇒ 10 ⇒ 5 ⇒ 16 ⇒ 8 ⇒ 4 ⇒ 2 ⇒ 1. The sequence ends when 1 is reached. The name "hailstone sequence" stems from the way the values in the sequence go up and down‚ as a hailstone
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