Объяснение:
зык — Java
1.
import java.util.Scanner;
public class Znanija {
public static void main(String args[]) {
double x, y;
Scanner input = new Scanner(System.in);
System.out.println("Enter the value of \"x\": ");
x = input.nextInt();
y = (2.7*x*3)+(0.23*x*2)-1.4;
System.out.println("\nThe value of \"y\" is: " + y);
}
}
2.
Похоже здесь опечатка: 1 фунт = 453.592граммов.
import java.util.Scanner;
public class Znanija {
public static void main(String args[]) {
double kilogram, lb;
Scanner input = new Scanner(System.in);
System.out.println("Enter your weight in kilograms: ");
kilogram = input.nextInt();
lb = (kilogram*1000)/453.592;
System.out.println("\nYou weigh " + lb + " pounds.");
}
}
3.
import java.util.Scanner;
public class Znanija {
public static void main(String args[]) {
int number;
Scanner input = new Scanner(System.in);
System.out.println("Enter the number: ");
number = input.nextInt();
if(number%2 == 0) {
System.out.println("\nThe number is even!");
}
else {
System.out.println("\nThe number is odd!");
}
}
}
4.
public class Znanija {
public static void main(String args[]) {
int number = 1;
for(; number<100; number++) {
if(number%10 == 0) {
System.out.println(number);
}
}
}
}
5.
import java.util.Scanner;
public class Znanija {
public static void main(String args[]) {
int[] numbers = new int[4];
int first, second, third, fourth;
int min, max;
min = max = numbers[0];
Scanner input = new Scanner(System.in);
System.out.println("Enter the first number: ");
first = input.nextInt();
System.out.println("\nEnter the second number: ");
second = input.nextInt();
System.out.println("\nEnter the third number: ");
third = input.nextInt();
System.out.println("\nEnter the fourth number: ");
fourth = input.nextInt();
numbers[0] = first;
numbers[1] = second;
numbers[2] = third;
numbers[3] = fourth;
//Сортитовка пузырьком
for (int i = 0; i < numbers.length; i++) {
//Новая индексная переменная j, которая в дальнейшем будет проверять, ни больше ли неё следующая цифра
for (int j = 0; j < numbers.length - i - 1; j++) {
//Проверка
if (numbers[j] > numbers[j + 1]) {
//Обмен значениями между не сортированными элементами
int temp = numbers[j];
numbers[j] = numbers[j + 1];
numbers[j + 1] = temp;
}
}
}
System.out.println("\nThe numbers with the maximum and minimum values, respectively: " + numbers[3] + ", " + numbers[0]);
int bufMin = numbers[0], bufMax = numbers[3];
int difference = bufMax-bufMin;
System.out.println("The difference between these numbers: " + difference);
}
}
