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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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60
Java/Lab 2/Lab_2.java
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@@ -2,6 +2,25 @@ import java.util.Scanner;
public class Lab_2 {
public static short protectedInput(String inputPrompt, String errorMessage, Scanner input) {
short read_variable;
do {
try {
System.out.println();
System.out.print(inputPrompt);
read_variable = input.nextShort();
break;
} catch (Exception e) {
System.out.println(errorMessage);
input.nextLine();
}
} while (true);
return read_variable;
}
public static String format(int number) {
int width = String.valueOf(number).length() + 1;
String format = "|%" + width + "d ";
@@ -27,41 +46,20 @@ public class Lab_2 {
Scanner input = new Scanner(System.in);
do {
try {
System.out.println();
System.out.print("Input a constant to multipy a matrix by: ");
a = input.nextShort();
break;
} catch (Exception e) {
System.out.println("A constant must be a short-data type integer, try again.");
input.nextLine();
}
} while (true);
a = protectedInput("Input a constant to multipy a matrix by: ", "A constant must be a short-data type integer, try again.", input);
System.out.println();
System.out.println("Input size of the matrix.");
do {
try {
System.out.print("Rows: ");
rows = input.nextShort();
} catch (Exception e) {
System.out.println("A number of rows must be a short-data type integer, try again.");
input.nextLine();
}
rows = protectedInput("Rows: ", "A number of rows must be a short-data type integer, try again.", input);
} while (rows <= 0);
do {
try {
System.out.print("Columns: ");
columns = input.nextShort();
} catch (Exception e) {
System.out.println("A number of columns must be a short-data type integer, try again.");
input.nextLine();
}
columns = protectedInput("Columns: ", "A number of columns must be a short-data type integer, try again.", input);
} while (columns <= 0);
input.close();
short[][] matrix_B = new short[rows][columns];
@@ -85,8 +83,8 @@ public class Lab_2 {
format = format(rows * columns * a);
for (short i = 0; i < rows; i++) {
for (short j = 0; j < columns; j++) {
for (short i = 0; i < matrix_B.length; i++) {
for (short j = 0; j < matrix_B[i].length; j++) {
matrix_B[i][j] *= (short) (a);
System.out.printf(format, matrix_B[i][j]);
@@ -101,7 +99,5 @@ public class Lab_2 {
for (short[] row : matrix_B) {
System.out.println(average(row));
}
input.close();
}
}