...

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

@@ -1,7 +1,45 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
-    public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+    private static final DateTimeFormatter DATE_FORMATTER
+            = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+    private static final int DATE_INDEX = 0;
+    private static final int NAME_INDEX = 1;
+    private static final int HOURS_INDEX = 2;
+    private static final int RATE_INDEX = 3;
+
+    public String getSalaryInfo(String[] names,
+                                String[] data,
+                                String dateFrom,
+                                String dateTo) {
+        LocalDate startDate = LocalDate.parse(dateFrom.trim(), DATE_FORMATTER);
+        LocalDate endDate = LocalDate.parse(dateTo.trim(), DATE_FORMATTER);
+        StringBuilder report = new StringBuilder("Report for period ")
+                .append(dateFrom)
+                .append(" - ")
+                .append(dateTo);
+
+        for (String name : names) {
+            int salary = 0;
+            for (String record : data) {
+                String[] recordInfo = record.split(" ");
+                LocalDate workDate = LocalDate.parse(recordInfo[DATE_INDEX], DATE_FORMATTER);
+                if (recordInfo[NAME_INDEX].equals(name)
+                        && !workDate.isBefore(startDate)
+                        && !workDate.isAfter(endDate)) {
+                    int hours = Integer.parseInt(recordInfo[HOURS_INDEX]);
+                    int rate = Integer.parseInt(recordInfo[RATE_INDEX]);
+                    salary += hours * rate;
+                }
+            }
+            report.append(System.lineSeparator())
+                    .append(name)
+                    .append(" - ")
+                    .append(salary);
+        }
+        return report.toString();
     }
 }