Added solution for SalaryInfo class

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

@@ -1,7 +1,55 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.Arrays;
+
 public class SalaryInfo {
-    public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+    private static final DateTimeFormatter dateTimeFormatter =
+            DateTimeFormatter.ofPattern("dd.MM.yyyy");
+
+    public String getSalaryInfo(String[] names, String[] data,
+                                String dateFrom, String dateTo) {
+        LocalDate from = LocalDate.parse(dateFrom, dateTimeFormatter);
+        LocalDate to = LocalDate.parse(dateTo, dateTimeFormatter);
+
+        int[] salaries = new int[names.length];
+
+        for (String record : data) {
+            String[] parts = record.split(" ");
+
+            LocalDate date = LocalDate.parse(parts[0], dateTimeFormatter);
+
+            if (date.isAfter(to) || date.isBefore(from)) {
+                continue;
+            }
+
+            String name = parts[1];
+
+            if (!Arrays.asList(names).contains(name)) {
+                continue;
+            }
+
+            int hours = Integer.parseInt(parts[2]);
+            int rate = Integer.parseInt(parts[3]);
+            int salary = hours * rate;
+
+            int index = Arrays.asList(names).indexOf(name);
+            salaries[index] += salary;
+        }
+
+        StringBuilder builder = new StringBuilder();
+        builder.append("Report for period ").append(dateFrom).append(" - ").append(dateTo)
+                .append(System.lineSeparator());
+
+        for (int i = 0; i < names.length; i++) {
+            int totalSalary = salaries[i];
+
+            builder.append(names[i]).append(" - ")
+                    .append(totalSalary)
+                    .append(System.lineSeparator());
+        }
+
+        return builder.toString().trim();
     }
 }