1. int parol=111,a; Agar a soni parolga teng bo`lsa "Xush kelibsiz"

Intel Jdk
1.int parol=111,a;
- Agar a soni parolga teng bo`lsa “Xush kelibsiz”.
- Agar a son parolga teng bo`lmasa “Qaytadan urinib ko`ring” degan yozuv chiqsin.

• 
  Agar yana (2chi imkonda ham) a son parolga teng bo`lmasa “Qaytadan urinib ko`ring” degan yozuv chiqsin.“
  
• 
  Agar yana (3chi imkonda ham) a son parolga teng bo`lmasa “Qaytadan urinib ko`ring” degan yozuv chiqsin.“
  
• 
  Agar yana (4chi imkonda ham) a son parolga teng bo`lmasa “Qaytadan urinib ko`ring” degan yozuv chiqsin.“
  

- Agar yana (5chi imkonda ham) a son parolga teng bo`lmasa “Xato parol kritdingiz.Sizga kirish mumkin emas” degan yozuv chiqsin.
Yuqoridagi savolni davomi bo`lib endi 5 ta urinish mavjut. Siz agar parol topilsa nechanchi urinishda topilgani va “Xush kelibsiz” yozuv chiqsin.
Agar 5ta urinishda ham parol topilmasa “5 ta urinishda ham xato parol kritdingiz. Sizga kirish mumkin emas” degan yozuvchiqsin.
Javob:
import java.util.Scanner;

public class Main {

public static void main(String[] args) {

int parol = 11, a = 0, i =1;

while (i <= 5) {
Scanner scanner = new Scanner(System.in);
a = scanner.nextInt();
if (a == parol) {
System.out.println("Siz "+i+" ta urinishda tizimga kirdingiz"+"Xush kelibsiz");
break;
}
if (i == 5) {
System.out.println("5 ta urinishda ham xato parol kritdingiz. Sizga kirish mumkin emas");
} else {
System.out.println("Qaytadan urinib ko'ring");
i++;
}

}

}

}

2.
a,b,c,d sonlari berilgan ulardan musbat (0 dan katta) bo`lgan sonlarni yig`indisini toping.

Javob:
import java.util.Scanner;

public class Main {

public static void main(String[] args) {
int a, b, c, d, s = 0;
Scanner scanner = new Scanner(System.in);
a = scanner.nextInt();
b = scanner.nextInt();
c = scanner.nextInt();
d = scanner.nextInt();
if (a > 0) {
s += a;
}
if (b > 0) {
s += b;
}
if (c > 0) {
s += c;
}
if (d > 0) {
s += d;
}
System.out.println(s)
;
if (a < 0 && b < 0 && c < 0 && d < 0) {
System.out.println("Hamma sonlar 0 dan kichik");
}

}
}

3. Scanner orqali consuldan ma`lmotlar olinsin. Ma`lumotlar chat ko`rinishida savol berish orqali so`rab olinsin.Unda foydalanuchining : Ismi, familiasi, yaxshash manzili,telefon raqami,kasbi, hobibisi va boshqa
ma`lumotlarni olib. Dastur oxrida u haqida