added code to test console

.gitignore

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+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+.idea/*
+*.iml
+
+# CMake
+cmake-build-debug/
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+target/*
+
+.project
+.classpath
+.settings
+

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>com.zipcoder</groupId>
+    <artifactId>consoletest</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+
+</project>

src/main/java/com/zipcoder/console/Console.java

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+package com.zipcoder.console;
+
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.util.Scanner;
+
+public class Console {
+    private Scanner scanner;
+    private PrintStream out;
+
+    public Console(PrintStream out, InputStream in) {
+        this.out = out;
+        if (in != null) {
+            scanner = new Scanner(in);
+        }
+    }
+
+    public void print(String expectedString) {
+        out.print(expectedString);
+    }
+
+    public String nextLine() {
+        return scanner.nextLine();
+    }
+}

src/test/java/com/zipcoder/console/ConsoleTest.java

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+package com.zipcoder.console;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.PrintStream;
+
+public class ConsoleTest {
+
+    @Test
+    public void testPrint(){
+        //Given
+        String expectedString = "Hello";
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        PrintStream printStream = new PrintStream(outputStream);
+        Console console = new Console(printStream, null);
+
+        //When
+        console.print(expectedString);
+
+        //Then
+        String actualString = outputStream.toString();
+        Assert.assertEquals(expectedString, actualString);
+    }
+
+    @Test
+    public void testNextLine() {
+        String expectedString = "stay";
+        InputStream inputStream = new ByteArrayInputStream(expectedString.getBytes());
+        Console console = new Console(null, inputStream);
+
+        //When
+        String actualString = console.nextLine();
+
+        //Then
+        Assert.assertEquals(expectedString, actualString);
+    }
+}