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Lektion Java Grunder - BestOnline.SE

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Värmdö Gymnasium Programmering B 110118<br />

Datainstitutionen JAVA <strong>Grunder</strong><br />

Exempel 3 visar en do-while loop<br />

import java.util.Scanner;<br />

public class ThirdProgram {<br />

public static void main(String[] args) {<br />

int helTal;<br />

double decimalTal, produkt=1;<br />

Scanner sc = new Scanner(System.in);<br />

System.out.println("Hejhopp, min tredje <strong>Java</strong>-applikation!");<br />

do {<br />

System.out.print("Skriv in ett decimaltal som du vill ");<br />

System.out.println("multiplicera med kommande tal.");<br />

decimalTal = sc.nextDouble();<br />

}<br />

produkt *= decimalTal;<br />

System.out.println("Produkten = " + produkt );<br />

System.out.println("Vill du fortsätta, Ja=1, Nej=0 ?");<br />

helTal = sc.nextInt();<br />

} while (helTal==1);<br />

System.out.println(" *** Hej då ! *** ");<br />

} //slut på main-funktionen<br />

Exempel 4 visar hur man skapar en array, i detta fall för decimaltal<br />

import java.util.Scanner;<br />

public class FourthProgram {<br />

public static void main(String[] args) {<br />

double summa=0;<br />

double[] decimalTal = new double[5];<br />

Scanner sc = new Scanner(System.in);<br />

System.out.println("Hejhopp, min fjärde <strong>Java</strong>-applikation!");<br />

System.out.println("Skriv in fem heltal som ska adderas. ");<br />

for (int i=0; i

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