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Урок 2 #2

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Merged
BaranovaElena merged 1 commit into from
Mar 14, 2021
Merged

Урок 2 #2

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34 changes: 34 additions & 0 deletions Lesson2/src/Main.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
public class Main {
public static void main(String[] args) {
//String[][] arrayString = {{"1","2","3","4"},{"1","2","3","4"}};
//String[][] arrayString = {{"1","2"},{"3","4"},{"1","2"},{"3","4"}};
String[][] arrayString = {{"1","2","3","4"},{"5","6","7","aaa"},
{"1","2","3","4"},{"5","6","7","8"}};
//String[][] arrayString = {{"1","2","3","4"},{"5","6","7","8"},
// {"1","2","3","4"},{"5","6","7","8"}};
try {
System.out.println( sumUp(arrayString) );
} catch (MyArraySizeException | MyArrayDataException e) {
e.printStackTrace();
}

}

public static int sumUp(String[][] arrayOfStrings) throws MyArraySizeException, MyArrayDataException {
if (arrayOfStrings.length != 4 || arrayOfStrings[0].length != 4) {
throw new MyArraySizeException();
}

int sum = 0;
for (int i=0; i<arrayOfStrings.length; i++) {
for (int j=0; j<arrayOfStrings[0].length; j++) {
try {
sum += Integer.parseInt(arrayOfStrings[i][j]);
} catch (NumberFormatException nfe) {
throw new MyArrayDataException(i,j);
}
}
}
return sum;
}
}
5 changes: 5 additions & 0 deletions Lesson2/src/MyArrayDataException.java
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public class MyArrayDataException extends Exception{
public MyArrayDataException(int i, int j) {
super("Not a number in Array["+i+"]["+j+"]");
}
}
6 changes: 6 additions & 0 deletions Lesson2/src/MyArraySizeException.java
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public class MyArraySizeException extends Exception{
public MyArraySizeException() {
super("The array of strings is not of 4x4 size");
}
}