Day-15 : Implemented Java 8 Stream API solution for mapping Person objects to uppercase names and joining with delimiter.

Author: kumarcodes

src/main/java/com/java8/ConvertSingleString.java

@@ -0,0 +1,31 @@
+package com.java8;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class ConvertSingleString {
+    public static void main(String[] args) {
+
+        List<Employee> employeeList=setEmployeeFields();
+
+        String result = employeeList.stream().map(x -> x.getName().toUpperCase())
+                .collect(Collectors.joining(" | "));
+        System.out.println(result);
+    }
+
+    static List<Employee> setEmployeeFields() {
+        Employee employee1 = new Employee(1L, "Rohit", "rohit@gmail.com", "IT");
+        Employee employee2 = new Employee(2L, "Rahul", "rahul@gmail.com", "IT");
+        Employee employee3 = new Employee(3L, "Ankit", "ankit@gmail.com", "IT");
+        Employee employee4 = new Employee(4L, "Suman", "suman@yahoo.com", "HR");
+        Employee employee5 = new Employee(5L, "Anand", "anand@yahoo.com", "HR");
+        List<Employee> employeeList = new ArrayList<>();
+        employeeList.add(employee1);
+        employeeList.add(employee2);
+        employeeList.add(employee3);
+        employeeList.add(employee4);
+        employeeList.add(employee5);
+        return employeeList;
+    }
+}

src/main/java/com/java8/DomainOccourenceCount.java

@@ -10,17 +10,7 @@
 
 public class DomainOccourenceCount {
     public static void main(String[] args) {
-        Employee employee1 = new Employee(1l, "Rohit", "rohit@gmail.com", "IT");
-        Employee employee2 = new Employee(2l, "Rahul", "rahul@gmail.com", "IT");
-        Employee employee3 = new Employee(3l, "Ankit", "ankit@gmail.com", "IT");
-        Employee employee4 = new Employee(4l, "Suman", "suman@yahoo.com", "HR");
-        Employee employee5 = new Employee(5l, "Anand", "anand@yahoo.com", "HR");
-        List<Employee> employeeList = new ArrayList<>();
-        employeeList.add(employee1);
-        employeeList.add(employee2);
-        employeeList.add(employee3);
-        employeeList.add(employee4);
-        employeeList.add(employee5);
+        List<Employee> employeeList = ConvertSingleString.setEmployeeFields();
         Map<String, Long> countMap = employeeList.stream()
                 .map(x -> x.getEmailId().substring(x.getEmailId().indexOf("@")))
                 .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));