From 4e785fdc152de8601917a13bfe897ad3ec8f5426 Mon Sep 17 00:00:00 2001
From: IvanLjubicic <ivan.ljubicic.app.developer@gmail.com>
Date: Sat, 30 Jun 2018 05:27:36 +0200
Subject: [PATCH] BAEL-1760 Console I/O in Java (#4379)

* ivan.ljubicic.app.developer@gmail.com

* Added unit tests, configuration class and minor adjustments

* primefaces intro module added

* deleted primefaces old module

* deleted different bean injection types sample project

* deleted addition different bean injection types file

* Renaming archetype in web.xml

* Added primefaces in jsf module

* Primefaces improvements

* Added commandButton and dialog

* Added PFM

* Code formatting

* Update pom.xml

* Formatting changes

* ConsoleDemo initial version

* Added new classes, renamed ConsoleDemo class

* Removed System.in class, renamed Scanner class and reorganized

* Added more method examples
---
 .../baeldung/console/ConsoleConsoleClass.java | 26 +++++++
 .../baeldung/console/ConsoleScannerClass.java | 76 +++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java
 create mode 100644 core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java

diff --git a/core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java b/core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java
new file mode 100644
index 0000000000..a5c704345f
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java
@@ -0,0 +1,26 @@
+package com.baeldung.console;
+
+import java.io.Console;
+
+public class ConsoleConsoleClass {
+
+    public static void main(String[] args) {
+        Console console = System.console();
+
+        if (console == null) {
+            System.out.print("No console available");
+            return;
+        }
+
+        String progLanguauge = console.readLine("Enter your favourite programming language: ");
+        console.printf(progLanguauge + " is very interesting!");
+
+        char[] pass = console.readPassword("To finish, enter password: ");
+        
+        if ("BAELDUNG".equals(pass.toString().toUpperCase()))
+            console.printf("Good! Regards!");
+        else 
+            console.printf("Nice try. Regards.");
+
+    }
+}
diff --git a/core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java b/core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java
new file mode 100644
index 0000000000..7b7a7a4ade
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java
@@ -0,0 +1,76 @@
+package com.baeldung.console;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Scanner;
+import java.util.regex.Pattern;
+
+public class ConsoleScannerClass {
+
+    public static void main(String[] args) {
+        System.out.println("Please enter your name and surname: ");
+
+        Scanner scanner = new Scanner(System.in);
+
+        String nameSurname = scanner.nextLine();
+
+        System.out.println("Please enter your gender: ");
+
+        char gender = scanner.next().charAt(0);
+
+        System.out.println("Please enter your age: ");
+
+        int age = scanner.nextInt();
+
+        System.out.println("Please enter your height in meters: ");
+
+        double height = scanner.nextDouble();
+
+        System.out.println(nameSurname + ", " + age + ", is a great " + (gender == 'm' ? "guy" : "girl") + " with " + height + " meters height" + " and " + (gender == 'm' ? "he" : "she") + " reads Baeldung.");
+
+        System.out.print("Have a good");
+        System.out.print(" one!");
+
+        System.out.println("\nPlease enter number of years of experience as a developer: ");
+
+        BufferedReader buffReader = new BufferedReader(new InputStreamReader(System.in));
+
+        int i = 0;
+
+        try {
+            i = Integer.parseInt(buffReader.readLine());
+        } catch (NumberFormatException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        } catch (IOException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+
+        System.out.println("You are a " + (i > 5 ? "great" : "good") + " developer!");
+
+        int sum = 0, count = 0;
+
+        System.out.println("Please enter your college degrees. To finish, enter baeldung website url");
+
+        while (scanner.hasNextInt()) {
+            int nmbr = scanner.nextInt();
+            sum += nmbr;
+            count++;
+        }
+        int mean = sum / count;
+
+        System.out.println("Your average degree is " + mean);
+
+        if (scanner.hasNext(Pattern.compile("www.baeldung.com")))
+            System.out.println("Correct!");
+        else
+            System.out.println("Baeldung website url is www.baeldung.com");
+
+        if (scanner != null)
+            scanner.close();
+
+    }
+
+}