src/Matrix.java

@@ -0,0 +1,49 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.FileReader;
+import java.io.FileNotFoundException;
+
+public class Matrix {
+    private int[][] matrix;
+
+    public static void main(String[] args) {}
+
+    public Matrix(String file) {
+        matrix = this.readCSV(file);
+    }
+
+    public int[][] readCSV(String file){
+        int[][] intMatrix = null;
+        try (BufferedReader br = new BufferedReader(new FileReader(file))) {
+            String line = br.readLine();
+            int rowCount = line.trim().split(";").length;
+            int columnCount = rowCount;
+            String[] lineArray = null;
+
+            intMatrix = new int[rowCount][columnCount];
+
+            for(int columnIndex = 0; line != null && columnIndex < intMatrix.length; columnIndex++, line = br.readLine()) {
+                lineArray = line.trim().split(";");
+                for(int rowIndex=0; rowIndex < intMatrix[columnIndex].length; rowIndex++) {
+                    intMatrix[columnIndex][rowIndex] = Integer.parseInt(lineArray[rowIndex]);
+                }
+            }
+            br.close();
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return intMatrix;
+    }
+
+    public void print() {
+        for(int columnIndex=0; columnIndex < matrix.length; columnIndex++) {
+            for(int rowIndex=0; rowIndex < matrix[columnIndex].length; rowIndex++) {
+                System.out.print(matrix[columnIndex][rowIndex]);
+            }
+            System.out.println();
+        }
+    }
+
+}

src/TestMatrix.java

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+public class TestMatrix {
+    public static void main(String[] args) {
+        test1("");
+    }
+
+    public static void test1(String file) {
+        Matrix matrix = new Matrix(file);
+
+        matrix.print();
+    }
+}