/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate a block of code. 
 
using System; 
 
public class BlockDemo { 
  public static void Main() { 
    int i, j, d; 
 
    i = 5; 
    j = 10; 
 
    // the target of this if is a block 
    if(i != 0) { 
      Console.WriteLine("i does not equal zero"); 
      d = j / i; 
      Console.WriteLine("j / i is " + d); 
    } 
  } 
}

           
          

/*
C#: The Complete Reference
by Herbert Schildt

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Demonstrate the if.

using System;

public class IfDemo {
public static void Main() {
int a, b, c;

a = 2;
b = 3;

if(a < b) Console.WriteLine("a is less than b"); // this won't display anything if(a == b) Console.WriteLine("you won't see this"); Console.WriteLine(); c = a - b; // c contains -1 Console.WriteLine("c contains -1"); if(c >= 0) Console.WriteLine(“c is non-negative”);
if(c < 0) Console.WriteLine("c is negative"); Console.WriteLine(); c = b - a; // c now contains 1 Console.WriteLine("c contains 1"); if(c >= 0) Console.WriteLine(“c is non-negative”);
if(c < 0) Console.WriteLine("c is negative"); } } [/csharp]

/*
C#: The Complete Reference
by Herbert Schildt

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Determine if a value is positive, negative, or zero.
using System;

public class PosNegZero {
public static void Main() {
int i;

for(i=-5; i <= 5; i++) { Console.Write("Testing " + i + ": "); if(i < 0) Console.WriteLine("negative"); else if(i == 0) Console.WriteLine("no sign"); else Console.WriteLine("positive"); } } } [/csharp]

/*
C#: The Complete Reference
by Herbert Schildt

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Determine if a value is positive or negative.
using System;

public class PosNeg {
public static void Main() {
int i;

for(i=-5; i <= 5; i++) { Console.Write("Testing " + i + ": "); if(i < 0) Console.WriteLine("negative"); else Console.WriteLine("positive"); } } } [/csharp]

/*
* C# Programmers Pocket Consultant
* Author: Gregory S. MacBeth
* Email: gmacbeth@comporium.net
* Create Date: June 27, 2003
* Last Modified Date:
*/
using System;

namespace Client.Chapter_4___Program_Control
{
public class ifelse
{
static void Main(string[] args)
{
int a = 5, b = 5, c = 10;

if (a == b)
Console.WriteLine(a);

if ((a > c) || (a == b))
Console.WriteLine(b);

if ((a >= c) && (b <= c)) Console.WriteLine(c); } } } [/csharp]

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
Example4_15.cs illustrates the use of
the goto statement
*/

public class Example4_15
{

public static void Main()
{

int total = 0;
int counter = 0;

myLabel:
counter++;
total += counter;
System.Console.WriteLine(“counter = ” + counter);
if (counter < 5) { System.Console.WriteLine("goto myLabel"); goto myLabel; } System.Console.WriteLine("total = " + total); } } [/csharp]

/*
Learning C#
by Jesse Liberty

Publisher: O'Reilly
ISBN: 0596003765
*/
using System;
public class GotoTester
{

public static void Main()
{
int counterVariable = 0;

repeat: // the label

Console.WriteLine(
“counterVariable: {0}”,counterVariable);

// increment the counter
counterVariable++;

if (counterVariable < 10) goto repeat; // the dastardly deed } } [/csharp]