Add print line feature

Author: mapu77

pom.xml

@@ -4,16 +4,16 @@
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
 
- <groupId>edu.training</groupId>
+ <groupId>edu.thoughtworks.training</groupId>
  <artifactId>triangleexercise</artifactId>
  <version>1.0-SNAPSHOT</version>
 
  <name>triangleexercise</name>
 
  <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <maven.compiler.source>1.7</maven.compiler.source>
- <maven.compiler.target>1.7</maven.compiler.target>
+ <maven.compiler.source>1.8</maven.compiler.source>
+ <maven.compiler.target>1.8</maven.compiler.target>
  </properties>
 
  <dependencies>

src/main/java/edu/thoughtworks/training/Asterisk.java

@@ -0,0 +1,16 @@
+package edu.thoughtworks.training;
+
+public class Asterisk {
+
+ private static final String ASTERISK = "*";
+
+ public String print() {
+ return ASTERISK;
+ }
+
+ public String print(int n) {
+ StringBuilder builder = new StringBuilder();
+ for (int i=0; i<n; ++i) builder.append(print());
+ return builder.toString();
+ }
+}

src/main/java/edu/training/App.java

@@ -0,0 +1,21 @@
+package edu.thoughtworks.training;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class AsteriskShould {
+ @Test
+ public void printAnAsterisk() {
+ Asterisk asterisk = new Asterisk();
+ assertEquals("Asterisk is not returning an asterisk", "*", asterisk.print());
+ }
+
+ @Test
+ public void printANumberOfAsterisk() {
+ Asterisk asterisk = new Asterisk();
+ int n = 6;
+ assertEquals("Asterisk prints less than two asterisks", "******", asterisk.print(n));
+ }
+
+}