From 9dc0569f466f7e2856cc1fa85d601490f10d4305 Mon Sep 17 00:00:00 2001
From: FedorSur <fyodor.s2013@yandex.ru>
Date: Mon, 20 Apr 2020 15:51:08 +0300
Subject: [PATCH] homework

---
 .../java/lesson2/hw/ArrayDataException.java   | 11 ++++--
 .../java/lesson2/hw/ArraySizeException.java   |  7 ++--
 src/main/java/lesson2/hw/ArrayUtils.java      |  5 +--
 src/main/java/lesson2/hw/Main.java            | 36 ++++++++++++++++++-
 4 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/src/main/java/lesson2/hw/ArrayDataException.java b/src/main/java/lesson2/hw/ArrayDataException.java
index 759e6a2..5c2f709 100644
--- a/src/main/java/lesson2/hw/ArrayDataException.java
+++ b/src/main/java/lesson2/hw/ArrayDataException.java
@@ -1,5 +1,12 @@
 package lesson2.hw;
 
-public class ArrayDataException extends Exception {
-    // TODO: 14.04.2020  
+public class ArrayDataException extends ClassCastException {
+    // TODO: 14.04.2020
+    public ArrayDataException() {
+        super();
+    }
+
+    public ArrayDataException(String s) {
+        super(s);
+    }
 }
diff --git a/src/main/java/lesson2/hw/ArraySizeException.java b/src/main/java/lesson2/hw/ArraySizeException.java
index 53d481c..a8c7e36 100644
--- a/src/main/java/lesson2/hw/ArraySizeException.java
+++ b/src/main/java/lesson2/hw/ArraySizeException.java
@@ -1,5 +1,8 @@
 package lesson2.hw;
 
-public class ArraySizeException extends Exception {
-    // TODO: 14.04.2020  
+public class ArraySizeException extends RuntimeException {
+    @Override
+    public String getMessage() {
+        return "Incorrect size";
+    }
 }
diff --git a/src/main/java/lesson2/hw/ArrayUtils.java b/src/main/java/lesson2/hw/ArrayUtils.java
index 75c978d..84dcca3 100644
--- a/src/main/java/lesson2/hw/ArrayUtils.java
+++ b/src/main/java/lesson2/hw/ArrayUtils.java
@@ -2,9 +2,6 @@
 
 public class ArrayUtils {
 
-    public long arraySum(Object [][] array) {
-        // TODO: 14.04.2020
-        return 0;
-    }
+
 
 }
diff --git a/src/main/java/lesson2/hw/Main.java b/src/main/java/lesson2/hw/Main.java
index cc82527..fbed061 100644
--- a/src/main/java/lesson2/hw/Main.java
+++ b/src/main/java/lesson2/hw/Main.java
@@ -1,8 +1,42 @@
 package lesson2.hw;
 
+import java.util.Random;
+import java.util.Scanner;
+
 public class Main {
     public static void main(String[] args) {
         // TODO: 14.04.2020
-        // протестируйте arraySum здесь
+        Object[][] arr = new Object[4][4];
+        for (int i = 0; i < 4; i++) {
+            arr[i] = new Object[]{7, 3, "ty", 1.33};
+        }
+        System.out.println(arraySum(arr));
     }
+    public static int arraySum(Object [][] array) {
+        // TODO: 14.04.2020
+        int sum = 0;
+        try {
+            if (array[1].length > 4 || array.length > 4) {
+                throw new ArraySizeException();
+            }
+        }
+        catch (ArrayDataException e){
+            System.out.println("Неверный размер матрицы");
+        }
+
+        for (int i = 0; i < 4; i++) {
+            for (int j = 0; j < 4; j++) {
+                try {
+                    sum += ((int) array[i][j]);
+                }
+                catch(ClassCastException e){
+                    System.out.println("Неверный тип данных в ячейке массива под индексом ["+i+"]["+j+"]");
+                }
+            }
+        }
+
+        return sum;
+    }
+
+
 }