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1
21
22 package net.sf.launch4j.example;
23
24 import java.io.BufferedReader  ;
25 import java.io.IOException ;
26 import java.io.InputStreamReader ;
27
28
31 public class ConsoleApp {
32 public static void main(String [] args) {
33 StringBuffer sb = new StringBuffer ("Hello World!\n\nJava version: ");
34 sb.append(System.getProperty("java.version"));
35 sb.append("\nJava home: ");
36 sb.append(System.getProperty("java.home"));
37 sb.append("\nCurrent dir: ");
38 sb.append(System.getProperty("user.dir"));
39 if (args.length > 0) {
40 sb.append("\nArgs: ");
41 for (int i = 0; i < args.length; i++) {
42 sb.append(args[i]);
43 sb.append(' ');
44 }
45 }
46 sb.append("\n\nEnter a line of text, Ctrl-C to stop.\n\n>");
47 System.out.print(sb.toString());
48 try {
49 BufferedReader is = new BufferedReader (new InputStreamReader (System.in));
50 String line;
51 while ((line = is.readLine()) != null) {
52 System.out.print("You wrote: " + line + "\n\n>");
53 }
54 is.close();
55 } catch (IOException e) {
56 System.err.print(e);
57 }
58 }
59 }
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Java API By Example, From Geeks To Geeks.