Bajardi: Saidov S

Muhammad al-Xorazmiy nomidagi Toshkent Axborot Texnalogiyalari Universiteti KIF Multimedia yo`nalishi 217-20-guruh talabasi Saidov Sultonalining Dasturlash uslublari va paradigmalari fanidan bajargan amaliy va labaratoriya topshiriqlari

Bajardi:Saidov S

Tekshirdi:Baydullayev R

19-variant

1. Variantda berilgan class, konstruktor va class maydonlari yarating. Class da obyektlar massivi ustida quyidagi funksiyalarni bajaruvchi metodlar yozing. (friend funksiyalar orqali).

1. 
   Ko’rsatilgan maydon bo’yicha saralash.
   
2. 
   Ko’rsatilgan maydon bo’yicha qidirish
   
3. 
   O’chirish( Ixtiyoriy)
   

Code:
package paradigm.amaliy5;

import java.util.*;

public class Person {
private String name;

private int age;

private String gender;

private String nation;

public Person(String name, int age, String gender, String nation) {
this.name = name;
this.age = age;
this.gender = gender;
this.nation = nation;
}

public Person() {
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public int getAge() {
return age;
}

public void setAge(int age) {
this.age = age;
}

public String getGender() {
return gender;
}

public void setGender(String gender) {
this.gender = gender;
}

public String getNation() {
return nation;
}

public void setNation(String nation) {
this.nation = nation;
}

@Override
public String toString() {
return "Person{" +
"name='" + name + '\'' +
", age=" + age +
", gender='" + gender + '\'' +
", nation='" + nation + '\'' +
'}';
}

public static class Nation {
public static void main(String[] args) {
Person person = new Person("Nurbek", 20, "Male", "Uzbek");
Person person2 = new Person("Doniyor", 24, "Male", "Uzbek");
Person person3 = new Person("Abror", 26, "Male", "Uzbek");
Person person4 = new Person("Alisa", 26, "Female", "England");
List
people = new ArrayList<>(List.of(person, person2, person3, person4));
List
personList = new ArrayList<>();
Scanner scanner = new Scanner(System.in);

System.out.println("1 - Ismi bo`yicha qidirish");

System.out.println("2 - Yoshi bo`yicha qidirish");
System.out.println("3 - Jinsi bo`yicha qidirish");
System.out.println("4 - Millati bo`yicha qidirish");

System.out.println("Qidirish uchun raqamlardan birini tanlang");

int number = scanner.nextInt();

if (number == 1) {
System.out.print("Ismni kiriting: ");
String name = scanner.next();

people.forEach(person1 -> {

if (person1.getName().equals(name)) {
personList.add(person1);
}
});
} else if (number == 2) {
System.out.print("Yoshni kiriting: ");
int name = scanner.nextInt();

people.forEach(person1 -> {

if (person1.getAge() == name) {
personList.add(person1);
}
});
} else if (number == 3) {
System.out.print("Jinsni kiriting: ");
String gender = scanner.next();

people.forEach(person1 -> {

if (person1.getGender().equals(gender)) {
personList.add(person1);
}
});
} else if (number == 4) {
System.out.print("Millatni kiriting: ");
String name = scanner.next();

people.forEach(person1 -> {

if (person1.getNation().equals(name)) {
personList.add(person1);
}
});
} else {
System.out.println("Ko`rsatilgan raqamlardan birini kiritishingiz kerak!!!");
}
System.out.println(personList);

System.out.println("1 - Ismi bo`yicha saralash");

System.out.println("2 - Yoshi bo`yicha saralash");
System.out.println("3 - Jinsi bo`yicha saralash");
System.out.println("4 - Millati bo`yicha saralash");
System.out.println("Foydalanuvchilarni saralash uchun quyidagilardan birini tanlang");

int number2 = scanner.nextInt();

if (number2 == 1) {
people.sort(Comparator.comparing(Person::getName));
System.out.println(people);
} else if (number2 == 2) {
people.sort(Comparator.comparing(Person::getAge));
System.out.println(people);
} else if(number2 == 3) {
people.sort(Comparator.comparing(Person::getGender));
System.out.println(people);
} else if (number2 == 4) {
people.sort(Comparator.comparing(Person::getNation));
System.out.println(people);
} else {
System.out.println("Ko`rsatilgan raqamlardan birini kiritishingiz kerak!!!");
}
}
}
}

Natija:

2. Beril gan char turidagi to‘plamda kata harfdan va kichik harfdan

boshlanuvchi elementlari soni aniqlovchi hamda ularni ekranga chiqaruvchi
dastur tuzing.