JAVA-1749 Move modules language interop and console
This commit is contained in:
mikr
@@ -0,0 +1,62 @@
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package com.baeldung.asciiart;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.image.BufferedImage;
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public class AsciiArt {
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public AsciiArt() {
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}
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public void drawString(String text, String artChar, Settings settings) {
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BufferedImage image = getImageIntegerMode(settings.width, settings.height);
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Graphics2D graphics2D = getGraphics2D(image.getGraphics(), settings);
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graphics2D.drawString(text, 6, ((int) (settings.height * 0.67)));
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for (int y = 0; y < settings.height; y++) {
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StringBuilder stringBuilder = new StringBuilder();
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for (int x = 0; x < settings.width; x++) {
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stringBuilder.append(image.getRGB(x, y) == -16777216 ? " " : artChar);
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}
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if (stringBuilder.toString()
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.trim()
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.isEmpty()) {
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continue;
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}
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System.out.println(stringBuilder);
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}
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}
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private BufferedImage getImageIntegerMode(int width, int height) {
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return new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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}
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private Graphics2D getGraphics2D(Graphics graphics, Settings settings) {
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graphics.setFont(settings.font);
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Graphics2D graphics2D = (Graphics2D) graphics;
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graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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return graphics2D;
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}
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public class Settings {
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public Font font;
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public int width;
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public int height;
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public Settings(Font font, int width, int height) {
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this.font = font;
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this.width = width;
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this.height = height;
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}
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}
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}
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@@ -0,0 +1,26 @@
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package com.baeldung.console;
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import java.io.Console;
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public class ConsoleConsoleClass {
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public static void main(String[] args) {
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Console console = System.console();
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if (console == null) {
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System.out.print("No console available");
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return;
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}
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String progLanguauge = console.readLine("Enter your favourite programming language: ");
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console.printf(progLanguauge + " is very interesting!");
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char[] pass = console.readPassword("To finish, enter password: ");
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if ("BAELDUNG".equals(pass.toString().toUpperCase()))
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console.printf("Good! Regards!");
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else
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console.printf("Nice try. Regards.");
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}
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}
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@@ -0,0 +1,76 @@
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package com.baeldung.console;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.Scanner;
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import java.util.regex.Pattern;
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public class ConsoleScannerClass {
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public static void main(String[] args) {
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System.out.println("Please enter your name and surname: ");
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Scanner scanner = new Scanner(System.in);
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String nameSurname = scanner.nextLine();
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System.out.println("Please enter your gender: ");
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char gender = scanner.next().charAt(0);
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System.out.println("Please enter your age: ");
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int age = scanner.nextInt();
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System.out.println("Please enter your height in meters: ");
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double height = scanner.nextDouble();
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System.out.println(nameSurname + ", " + age + ", is a great " + (gender == 'm' ? "guy" : "girl") + " with " + height + " meters height" + " and " + (gender == 'm' ? "he" : "she") + " reads Baeldung.");
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System.out.print("Have a good");
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System.out.print(" one!");
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System.out.println("\nPlease enter number of years of experience as a developer: ");
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BufferedReader buffReader = new BufferedReader(new InputStreamReader(System.in));
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int i = 0;
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try {
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i = Integer.parseInt(buffReader.readLine());
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} catch (NumberFormatException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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System.out.println("You are a " + (i > 5 ? "great" : "good") + " developer!");
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int sum = 0, count = 0;
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System.out.println("Please enter your college degrees. To finish, enter baeldung website url");
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while (scanner.hasNextInt()) {
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int nmbr = scanner.nextInt();
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sum += nmbr;
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count++;
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}
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int mean = sum / count;
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System.out.println("Your average degree is " + mean);
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if (scanner.hasNext(Pattern.compile("www.baeldung.com")))
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System.out.println("Correct!");
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else
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System.out.println("Baeldung website url is www.baeldung.com");
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if (scanner != null)
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scanner.close();
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}
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}
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@@ -0,0 +1,61 @@
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package com.baeldung.printf;
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import java.util.Date;
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import java.util.Locale;
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public class PrintfExamples {
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public static void main(String[] args) {
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printfNewLine();
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printfChar();
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printfString();
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printfNumber();
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printfDateTime();
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printfBoolean();
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}
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private static void printfNewLine() {
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System.out.printf("baeldung%nline%nterminator");
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}
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private static void printfString() {
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System.out.printf("'%s' %n", "baeldung");
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System.out.printf("'%S' %n", "baeldung");
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System.out.printf("'%15s' %n", "baeldung");
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System.out.printf("'%-10s' %n", "baeldung");
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}
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private static void printfChar() {
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System.out.printf("%c%n", 's');
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System.out.printf("%C%n", 's');
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}
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private static void printfNumber() {
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System.out.printf("simple integer: %d%n", 10000L);
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System.out.printf(Locale.US, "%,d %n", 10000);
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System.out.printf(Locale.ITALY, "%,d %n", 10000);
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System.out.printf("%f%n", 5.1473);
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System.out.printf("'%5.2f'%n", 5.1473);
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System.out.printf("'%5.2e'%n", 5.1473);
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}
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private static void printfBoolean() {
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System.out.printf("%b%n", null);
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System.out.printf("%B%n", false);
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System.out.printf("%B%n", 5.3);
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System.out.printf("%b%n", "random text");
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}
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private static void printfDateTime() {
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Date date = new Date();
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System.out.printf("%tT%n", date);
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System.out.printf("hours %tH: minutes %tM: seconds %tS%n", date, date, date);
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System.out.printf("%1$tH:%1$tM:%1$tS %1$tp %1$tL %1$tN %1$tz %n", date);
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System.out.printf("%1$tA %1$tB %1$tY %n", date);
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System.out.printf("%1$td.%1$tm.%1$ty %n", date);
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}
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}
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@@ -0,0 +1,21 @@
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package com.baeldung.asciiart;
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import com.baeldung.asciiart.AsciiArt.Settings;
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import org.junit.Test;
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import java.awt.*;
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public class AsciiArtIntegrationTest {
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@Test
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public void givenTextWithAsciiCharacterAndSettings_shouldPrintAsciiArt() {
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AsciiArt asciiArt = new AsciiArt();
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String text = "BAELDUNG";
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Settings settings = asciiArt.new Settings(new Font("SansSerif", Font.BOLD, 24), text.length() * 30, 30); // 30 pixel width per character
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asciiArt.drawString(text, "*", settings);
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throw new NullPointerException();
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}
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}
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