Haqiyqiy sonlar Butun sonlarni faqat butun sonlarga bo’lish mumkin. Ya’ni

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Java
3-chi dars

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Haqiyqiy sonlar
Butun sonlarni faqat butun sonlarga bo’lish mumkin. Ya’ni 
int myNum = 5/2; ishlaydi
int myNum = 5/2.00; yoki int myNum = 5.00/2.00; yoki int myNum = 5/2.00; xatolik 
beradi.
Int myNum = 5/0; ?

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Haqiyqiy sonlar
int myIntNumber = 5/3; 
float myFloatNumber = 5f/3f; 
double myDoubleNumber = 5d/3d;
System.out.println(myIntNumber);
System.out.println(myFloatNumber);
System.out.println(myDoubleNumber);

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Haqiyqiy sonlar
int myIntNumber = 5/3; 
float myFloatNumber = 5.00/3.00; 
double myDoubleNumber = 5.00/3.00;
System.out.println(myIntNumber);
System.out.println(myFloatNumber);
System.out.println(myDoubleNumber);

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Task
17 pound ni kilogramdagi miqdorini hisoblang. Natijani terminalda chiqaring:
1 pound = 0.45359237 kilogram.

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Natija (result)
public class RealNumbers {
public static void main(String[] args) {
double numberOfPounds = 17d;
double poundToKilogramRatio = 0.45359237d;
double convertedKilograms = numberOfPounds * poundToKilogramRatio;
System.
out
.println("1 poundning kilogramda qiymati: " + poundToKilogramRatio);
System.
out
.println(numberOfPounds + " pounds " + convertedKilograms + " kilogramga teng");
}
}

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Task (Topshiriq)
Uzbek so’mini dollorga nisbatan qiymatini aniqlash. 
Qiymatni oldin float da keyin double da hisoblang va ikkala natijani ham 
terminalga chiqaring.
1$ = 10960 so’m;

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Simple calc
import java.util.Scanner;
public class SimpleCalculator {
public static void main(String[] argrs){
System.out.println("Birinchi raqamni kiriting: ");
int firstNumber = getUserInput();
System.out.println("Ikkinchi raqamni kiriting: ");
int secondNumber = getUserInput();
int result = addNumbers(firstNumber, secondNumber);
System.out.println("Natija: "+ result);
}
public static int getUserInput(){
return new Scanner(System.in).nextInt();
}
public static int addNumbers(int firstNumber, int secondNumber){
return firstNumber + secondNumber;
}
}