Public class Main //import java util. Scanner

public class Main
//import java.util.Scanner;

{
public static void main(String[] args)

{
//foydalanuvchi harf kiritadi. agar harf kichik bo'lsa kichik harf katta bo'lsa katta harf.
char harf='A';
if('A'<=harf && harf<='Z') {System.out.println("katta harf");}
else if('a'<=harf && harf<='z') {System.out.println("kichik harf");}
else {System.out.println("biday harf yo'q");}
}
}

public class Main

//import java.util.Scanner;

{
//foydalanuvchi harf kiritadi. harf unli undoshligini topuvchi dastur tuzing.

public static void main(String[] args)
{
char harf='x';
if(harf=='a' || harf=='e' || harf=='y' || harf=='o' || harf=='i' || harf=='u') {System.out.println("unli harf");}
else if('a'<=harf && harf<='z') {System.out.println("undosh harf");}
}
}
public class Main
//import java.util.Scanner;

{
//15 dan 25 gacha bo'lgan sonlarni ekranga chiqarish.

public static void main(String[] args)
{
int a=15;
while(a<=25)
{System.out.println(a);a++;}
}
}

public class Main

//import java.util.Scanner;

{ //50 dan 100 gacha sonlarning juftini ekranga chiqaring.

public static void main(String[] args){
int s=0;
for (int a=50;a<=100;a=a+2){System.out.println(a);s++;}
System.out.println(s+"-ta juft son");
}
}

ikki son kiritilgan a dan b gacha toq sonlarni chiqarilsin

import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int a=sc.nextInt(), b=sc.nextInt();
if(a%2==1){for(int c=a;c<=b;c=c+2){System.out.println(c);}}
else{ for(int c=a+1;c<=b;c=c+2) System.out.println(c);}

a sonidan b songacha toqlarini chiqaring

import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int a=sc.nextInt(), b=sc.nextInt();
if(a%2==1){for(int c=a;c<=b;c=c+2){System.out.println(c);}}
else{ for(int c=a+1;c<=b;c=c+2) System.out.println(c);}

//78 dan 32 gacha bo'lgan sonlarni ekranga chiqaring (kamayish tartibida)

int a=78,b=32;
for(int i=a;a>=b;i--) {
System.out.println(i);a--;