Java static import: System.out and err : Static Import « Language Basics « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » Language Basics » Static ImportScreenshots 
Java static import: System.out and err
Java static import: System.out and err


/*
License for Java 1.5 'Tiger': A Developer's Notebook
     (O'Reilly) example package

Java 1.5 'Tiger': A Developer's Notebook (O'Reilly) 
by Brett McLaughlin and David Flanagan.
ISBN: 0-596-00738-8

You can use the examples and the source code any way you want, but
please include a reference to where it comes from if you use it in
your own products or services. Also note that this software is
provided by the author "as is", with no expressed or implied warranties. 
In no event shall the author be liable for any direct or indirect
damages arising in any way out of the use of this software.
*/
import static java.lang.System.err;
import static java.lang.System.out;

import java.io.IOException;
import java.io.PrintStream;

public class StaticImporter {

  public static void writeError(PrintStream err, String msg
    throws IOException {
   
    // Note that err in the parameter list overshadows the imported err
    err.println(msg)
  }

  public static void main(String[] args) {
    out.println("Good morning, " "java2s");
    out.println("Have a day!");

    try {
      writeError(System.out, "Error occurred.");
    catch (IOException e) {
      e.printStackTrace();
    }
  }
}

           
       
Related examples in the same category
1.Static import user defined static fields.
2.Static Import
3.Java static import: old wayJava static import: old way
4.Use static import to bring sqrt() and pow() into view.Use static import to bring sqrt() and pow() into view.
5.Static import: sort
6.Java static import enum
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.