88 lines
1.7 KiB
Markdown
88 lines
1.7 KiB
Markdown
# Condition
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## if / else
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```C#
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Console.WriteLint("Please enter your age: ");
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int age = Convert.ToInt32(Console.ReadLine());
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if (age > 100){
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Console.WriteLine("You are to old to signed up! ");
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}
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else if(age >= 18){
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Console.WriteLine("You are now signed up! ");
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}
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else if (age < 0){
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Console.WriteLine("You are not born yet! ");
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}
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else{
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Console.WriteLine("You must be 18+ to sing up! ");
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}
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```
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```C#
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Console.WriteLint("Please enter your name : ")
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String name = Console.ReadLine()
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if (name != ""){
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Console.WriteLine("hello : " + name);
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}else{
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Console.WriteLine("You did not enter your name !" );
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}
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```
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## switch
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```C#
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Console.WriteLint("What day is it today ?");
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String day = Console.ReadLine();
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switch(day)
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{
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case "Monday":
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Console.WriteLine("It's Moday!")
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break;
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case "Tuesday":
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Console.WriteLine("It's Tuesday!")
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break;
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case "Wednesday":
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Console.WriteLine("It's Wednesday!")
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break;
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case "Thursday":
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Console.WriteLine("It's Thursday!")
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break;
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case "Friday":
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Console.WriteLine("It's Friday!")
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break;
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case "Saturday":
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Console.WriteLine("It's Friday!")
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break;
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case "Sunday":
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Console.WriteLine("It's Friday!")
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break;
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default:
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Console.WriteLine(day + "is not a day")
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break;
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}
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```
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## Logical Operator
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can be used to check if more than 1 condition is true / false
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&& (AND)
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|| (OR)
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```C#
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Console.WriteLine("What's the temperature outside");
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double temp = Convert.ToDouble(Console.ReadLine());
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if(temp >= 10 && temp <= 25){
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Console.WriteLine("It's warm outside");
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}else if(temp <= -50 || temp >= 50){
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Console.WriteLine("DO NOT GO OUTSIDE !");
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}
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```
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