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for Schleife

Die for Schleife ist flexibler, als eine while Schleife. Sie ist lesbarer.

Bash

#!/bin/bash
 
COUNTER=0
while [  $COUNTER -lt 10 ]; do
    echo "The counter is $COUNTER"
    let COUNTER=COUNTER+1 
done

C++

#include <iostream>
 
int main() {
    // Variable anlegen
    int counter = 0;
 
    while (counter < 10) {
        printf("%s%d", "The counter is ", counter);
        counter++;
    }
}

C#

using System;
 
namespace IfStatements 
{
    class ShowIf
    {
        static void Main() 
        {
            // Variable anlegen
            int counter = 3;
 
            while (counter < 10) {
                System.WriteLine("The counter is "+counter);
                counter++;
            }
        }
    }
}

Golang

In go ist so ziemlich alles eine for Schleife. Es kommt darauf an, wie man es hin schreibt.

package main
 
import (
    "fmt"
)
 
func main() {
    // Variable anlegen
    counter := 0;
 
    for counter < 10 {
        fmt.Println("The counter is ", counter)
        counter++
    }
}

Java

public class WhileLoop {
    public static void main(String[] args) {
        // Variable anlegen
        int counter = 0;
 
        while (counter < 10) {
            System.out.println("The counter is "+counter);
            counter++;
        }
}

Javascript

<!DOCTYPE HTML>
<!-- HTML Grundstruktur -->
<html>
  <body>
    <script>
      // Variable anlegen
      var counter = 0;
 
      while (counter < 10) {
          alert("The counter is "+counter);
          counter++;
      }
    </script>
  </body>
</html>

Perl

#!/usr/bin/perl
 
use strict;
use warnings;
 
my $counter = 0;
 
while ($counter < 10) {
    print "The counter is $counter\n";
    $counter += 1;
}

PHP

<?php
 
// Variable anlegen
$counter = 0;
 
while ($counter < 10) {
    echo "The counter is $counter\n";
    $counter++;
}

Python3

#!/usr/bin/python3
 
counter = 0
 
while counter < 10:
    print("The counter is "+str(counter))
    counter += 1

Almanach der Programmiergrundlagen

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