Guruhi talabasi Baxtiyorov Muhammad qodir 4-deadline 1-topshiriq //1-savol

623_21 guruhi talabasi

Baxtiyorov Muhammad qodir

4-deadline

1-topshiriq //1-savol//

Satr berilgan. Satrning birinchi va oxirgi belgisi kodini chiqaruvchi dastur tuzing

Dastur codi

import java.util.Scanner;

public class Main {

public static void main(String args[]){

Scanner sc = new Scanner(System.in);
String a =sc.nextLine();
char boshi = a.charAt(0);
char oxiri = a.charAt(a.length() - 1);
System.out.printf("Satrdagi 1-belgi \"%s\" bu '%c' %n", a, boshi);
System.out.printf("Satrdagi ohirgi belgi \"%s\" bu '%c' %n", a, oxiri);

}

}

Dastur natijasi





2-topshiriq //1-savol//

Butun sonli fayl berilgan bo‘lsin. Undagi juft sonlarning yig‘indisi hamda toq sonlarning ko‘paytmasini hisoblang

Dastur codi

import java.io.File;

import java.util.Scanner;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

public class GFG {

public static void main(String[] args) {
try {
FileWriter myWriter = new FileWriter("filename1.txt");
myWriter.write("1234567");
myWriter.close();
System.out.println("Faylga muvaffaqiyatli yozildi.");
}
catch (IOException e) {
System.out.println("Xatolik !!!");
e.printStackTrace();
}
System.out.println();

try {
File myObj = new File("filename1.txt");

Scanner myReader = new Scanner(myObj);
String data = myReader.nextLine();
while (myReader.hasNextLine()) {
System.out.println(data);
}
int yigindi=0,kopaytma=1;
System.out.printf("fayldagi sonlar \n");
for (int i=0;ichar boshi = data.charAt(i);
System.out.print(" "+boshi);
int b=Integer.parseInt(String.valueOf(boshi));
if (b%2==0){
yigindi+=b;
}
else {
kopaytma*=b;
}
}
System.out.printf(" \n juft sonlar yig'indisi %d",yigindi);
System.out.printf(" toq sonlar ko'paytmasi %d",kopaytma);
myReader.close();
} catch (FileNotFoundException e) {
System.out.println("Xatolik");
e.printStackTrace();
}
}
}

Dastur natijasi