diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..b75da0f
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,18 @@
+language: java
+install: true
+jdk:
+#  - oraclejdk8
+#  - oraclejdk9
+  - openjdk11
+#  - openjdk8
+git:
+  quiet: true
+branches:
+  only:
+  - test/version1.9
+install:
+  - gradle --quiet assemble
+script: 
+  - gradle --info test
+notifications:
+  email: false
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..dd9a221
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,60 @@
+plugins {
+    id 'java'
+	id "org.openjfx.javafxplugin" version "0.0.7"
+}
+
+/*
+https://stackoverflow.com/questions/46867399/react-native-error-could-not-determine-java-version-from-9-0-1
+
+Java 1.2 uses major version 46
+Java 1.3 uses major version 47
+Java 1.4 uses major version 48
+Java 5 uses major version 49
+Java 6 uses major version 50
+Java 7 uses major version 51
+Java 8 uses major version 52
+Java 9 uses major version 53
+Java 10 uses major version 54
+Java 11 uses major version 55
+*/
+
+// gradlew.bat build test
+
+group 'de.gs_sys'
+version '1.0-SNAPSHOT'
+
+sourceCompatibility = 1.11
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+	testCompile "org.testfx:openjfx-monocle:jdk-11+26" // 8u76-b04 for Java 8, jdk-9+181 for Java 9, jdk-11+26 for Java 11
+}
+
+sourceSets {
+    main {
+        java {
+            srcDir 'src'
+        }
+    }
+    test {
+        java {
+            srcDir 'test'
+        }
+    }
+}
+
+test {
+    useJUnit()
+}
+
+jar {
+    manifest {
+        attributes 'Main-Class': 'guifx.FXstarter'
+//        attributes 'Main-Class': 'gui.PasswordGen'
+    }
+}
+
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..b4ec09a
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Feb 20 22:02:00 CET 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1-all.zip
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..57e16cf
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = 'PasswordGen'
+
diff --git a/test/de/gs_sys/lib/crypto/passwords/PasswordStrengthTest.java b/test/de/gs_sys/lib/crypto/passwords/PasswordStrengthTest.java
new file mode 100644
index 0000000..865569b
--- /dev/null
+++ b/test/de/gs_sys/lib/crypto/passwords/PasswordStrengthTest.java
@@ -0,0 +1,39 @@
+package de.gs_sys.lib.crypto.passwords;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class PasswordStrengthTest {
+
+	@DisplayName("Mix 1")
+    @Test
+    public void complexity1() {
+        Complexity com = PasswordStrength.complexity("a!84");
+        assertEquals("Complexity{bit=22, length=4, charsetSize=53}", com.toString());
+    }
+	@DisplayName("Mix 2")
+    @Test
+    public void complexity2() {
+        Complexity com = PasswordStrength.complexity("a!8A4");
+        assertEquals("Complexity{bit=31, length=5, charsetSize=79}", com.toString());
+    }
+	@DisplayName("lower char")
+    @Test
+    public void complexity3() {
+        Complexity com = PasswordStrength.complexity("aaaa");
+        assertEquals("Complexity{bit=18, length=4, charsetSize=26}", com.toString());
+    }
+	@DisplayName("upper char")
+    @Test
+    public void complexity4() {
+        Complexity com = PasswordStrength.complexity("AAAA");
+        assertEquals("Complexity{bit=18, length=4, charsetSize=26}", com.toString());
+    }
+	@DisplayName("numbers")
+    @Test
+    public void complexity5() {
+        Complexity com = PasswordStrength.complexity("0359");
+        assertEquals("Complexity{bit=13, length=4, charsetSize=10}", com.toString());
+    }
+}
\ No newline at end of file