implement method getSalaryInfo() to generate salary report

src/main/java/core/basesyntax/SalaryInfo.java

@@ -1,7 +1,48 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
+    private static final DateTimeFormatter DATE_FORMATTER
+            = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+    private static final int INDEX_DATE = 0;
+    private static final int INDEX_NAME = 1;
+    private static final int INDEX_HOURS = 2;
+    private static final int INDEX_INCOME_PER_HOUR = 3;
+
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        LocalDate fromDate = LocalDate.parse(dateFrom, DATE_FORMATTER);
+        LocalDate toDate = LocalDate.parse(dateTo, DATE_FORMATTER);
+
+        int[] salary = new int[names.length];
+
+        for (String record : data) {
+            String[] dataParts = record.split(" ");
+            LocalDate workDate = LocalDate.parse(dataParts[INDEX_DATE], DATE_FORMATTER);
+            String employeeName = dataParts[INDEX_NAME];
+            int workingHours = Integer.parseInt(dataParts[INDEX_HOURS]);
+            int incomePerHour = Integer.parseInt(dataParts[INDEX_INCOME_PER_HOUR]);
+
+            if ((workDate.isAfter(fromDate) || workDate.isEqual(fromDate))
+                    && (workDate.isBefore(toDate) || workDate.isEqual(toDate))) {
+                for (int i = 0; i < names.length; ++i) {
+                    if (names[i].equals(employeeName)) {
+                        salary[i] += incomePerHour * workingHours;
+                        break;
+                    }
+                }
+            }
+        }
+
+        StringBuilder reportBuilder = new StringBuilder("Report for period " + dateFrom
+                + " - " + dateTo);
+        for (int i = 0; i < names.length; ++i) {
+            reportBuilder.append(System.lineSeparator())
+                    .append(names[i])
+                    .append(" - ")
+                    .append(salary[i]);
+        }
+        return reportBuilder.toString();
     }
 }