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All sorts of corrections.

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This commit is contained in:
Rhinemann
2023-05-03 10:32:23 +03:00
parent 8100129706
commit 8013099c36
4 changed files with 56 additions and 79 deletions
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69
Java/Lab 1/Lab_1.java
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@@ -1,63 +1,38 @@
import java.util.Scanner;
public class Lab_1 {
public static int protectedInput(String variable_to_read, Scanner input) {
int read_variable;
do {
try {
System.out.printf("Enter %s: ", variable_to_read);
read_variable = input.nextInt();
break;
} catch (Exception e) {
System.out.printf("%s must be an integer.\n", variable_to_read.toUpperCase());
input.nextLine();
}
} while (true);
return read_variable;
}
public static void main(String[] args) {
int n, m, a, b;
float s = 0;
Scanner input = new Scanner(System.in);
do {
try {
System.out.print("Enter n: ");
n = input.nextInt();
break;
} catch (Exception e) {
System.out.println("N must be an integer.");
input.nextLine();
}
} while (true);
do {
try {
System.out.print("Enter m: ");
m = input.nextInt();
break;
} catch (Exception e) {
System.out.println("M must be an integer.");
input.nextLine();
}
} while (true);
n = protectedInput("n", input);
do {
try {
System.out.print("Enter a: ");
a = input.nextInt();
break;
} catch (Exception e) {
System.out.println("A must be an integer.");
input.nextLine();
}
} while (true);
m = protectedInput("m", input);
do {
try {
System.out.print("Enter b: ");
b = input.nextInt();
break;
} catch (Exception e) {
System.out.println("B must be an integer.");
input.nextLine();
}
} while (true);
a = protectedInput("a", input);
b = protectedInput("b", input);
input.close();
for (int i = a; i <= n; i++) {
for (int j = b; j <= m; j++) {
s += j;
}
}
float s = ((float)(b + m) / 2) * (m - b + 1) * (n - a + 1);
System.out.println("S = " + s);
}