Added test2.1

sem2/test2.1/build.gradle

@@ -0,0 +1,21 @@
+plugins {
+    id 'java'
+}
+
+group 'test2.1'
+version '1.0-SNAPSHOT'
+
+sourceCompatibility = 11
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile('org.junit.jupiter:junit-jupiter-api:5.3.2')
+    testCompile('org.junit.jupiter:junit-jupiter-engine:5.3.2')
+}
+
+test {
+    useJUnitPlatform()
+}

sem2/test2.1/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Sun May 05 18:32:26 GMT+03:00 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-all.zip

sem2/test2.1/settings.gradle

@@ -0,0 +1,2 @@
+rootProject.name = 'myplugin'
+

sem2/test2.1/src/main/java/com/AntonChernikov/g144/Application.java

@@ -0,0 +1,40 @@
+package com.AntonChernikov.g144;
+
+import java.util.Arrays;
+import java.util.LinkedList;
+
+/**
+ * Class describing work with sorted set
+ * */
+public class Application {
+
+    private SortedSet set;
+
+    public Application() {
+        set = new SortedSet();
+    }
+
+    /**
+     * Method splitting lines into word lists and adding lists to the set
+     * */
+    public void addWords(String[] object) {
+        for (String current : object) {
+            String[] words = current.split(" ");
+            set.add(new LinkedList(Arrays.asList(words)));
+        }
+    }
+
+    /**
+     * Method printing set
+     * */
+    public String print() {
+        return set.print();
+    }
+
+    /**
+     * Method checking set for emptiness
+     * */
+    public boolean isEmpty() {
+        return set.isEmpty();
+    }
+}