Lesson7

Lesson2/Lesson2.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+

Lesson2/src/com/company/Main.java

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+package com.company;
+
+public class Main {
+
+    public static void main(String[] args) {
+        // write your code here
+        String[][] arr = {{"5", "2", "3", "4"},
+                {"1", "2", "4", "5"},
+                {"1", "2", "4", "4"},
+                {"1", "2", "3", "4"}};
+        try {
+            method(arr);
+        } catch (MyArraySizeException a) {
+            a.printStackTrace();
+        } catch (MyArrayDataExeption e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void method(String[][] arr) throws MyArrayDataExeption, MyArraySizeException {
+
+        int sum = 0;
+        int count;
+
+        for (int i = 0; i < arr.length; i++) {
+            for (int j = 0; j < arr[i].length; j++) {
+                System.out.print(arr[i][j]);
+            }
+            System.out.println("");
+        }
+
+
+        for (int i = 0; i < arr.length; i++) {
+            for (int j = 0; j < arr[i].length; j++) {
+                if (arr[i].length != 4 || arr.length != 4) throw new MyArraySizeException("Поймал MyArraySize");
+                try {
+                    count = Integer.parseInt(arr[i][j]);
+                } catch (NumberFormatException e) {
+                    throw new MyArrayDataExeption(i,j);
+                }
+                sum += count;
+            }
+        }
+        System.out.println("Сумма: " + sum);
+    }
+}
+
+

Lesson2/src/com/company/MyArrayDataExeption.java

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+package com.company;
+
+public class MyArrayDataExeption extends IllegalArgumentException {
+
+    public MyArrayDataExeption(int i, int j){
+       super("Ячейка ошибки " + i + " " + j);
+    }
+}

Lesson2/src/com/company/MyArraySizeException.java

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+package com.company;
+
+import java.io.FileNotFoundException;
+
+public class MyArraySizeException extends RuntimeException {
+
+    public MyArraySizeException(String s){
+        super(s);
+    }
+
+}