Seeking useful Eclipse Java code templates [closed]

You can create various Java code templates in Eclipse via

Window > Preferences > Java > Editor > Templates

e.g.

sysout is expanded to:

System.out.println(${word_selection}${});${cursor}

You can activate this by typing sysout followed by CTRL+SPACE

What useful Java code templates do you currently use? Include the name and description of it and why it's awesome.

I am looking for an original/novel use of a template rather than a built-in existing feature.

• Create Log4J logger
• Get swt color from display
• Syncexec - Eclipse Framework
• Singleton Pattern/Enum Singleton Generation
• Readfile
• Const
• Traceout
• Format String
• Comment Code Review
• String format
• Try Finally Lock
• Message Format i18n and log
• Equalsbuilder
• Hashcodebuilder
• Spring Object Injection
• Create FileOutputStream

Solution 1:

The following code templates will both create a logger and create the right imports, if needed.

SLF4J

${:import(org.slf4j.Logger,org.slf4j.LoggerFactory)}
private static final Logger LOG = LoggerFactory.getLogger(${enclosing_type}.class);

Log4J 2

${:import(org.apache.logging.log4j.LogManager,org.apache.logging.log4j.Logger)} 
private static final Logger LOG = LogManager.getLogger(${enclosing_type}.class); 

Log4J

${:import(org.apache.log4j.Logger)}
private static final Logger LOG = Logger.getLogger(${enclosing_type}.class);

Source.

JUL

${:import(java.util.logging.Logger)}
private static final Logger LOG = Logger.getLogger(${enclosing_type}.class.getName());

Solution 2:

Some additional templates here: Link I - Link II

I like this one:

readfile

 ${:import(java.io.BufferedReader,  
           java.io.FileNotFoundException,  
           java.io.FileReader,  
           java.io.IOException)}  
 BufferedReader in = null;  
 try {  
    in = new BufferedReader(new FileReader(${fileName}));  
    String line;  
    while ((line = in.readLine()) != null) {  
       ${process}  
    }  
 }  
 catch (FileNotFoundException e) {  
    logger.error(e) ;  
 }  
 catch (IOException e) {  
    logger.error(e) ;  
 } finally {  
    if(in != null) in.close();  
 }  
 ${cursor} 

UPDATE: The Java 7 version of this template is:

${:import(java.nio.file.Files,
          java.nio.file.Paths,
          java.nio.charset.Charset,
          java.io.IOException,
          java.io.BufferedReader)}
try (BufferedReader in = Files.newBufferedReader(Paths.get(${fileName:var(String)}),
                                                 Charset.forName("UTF-8"))) {
    String line = null;
    while ((line = in.readLine()) != null) {
        ${cursor}
    }
} catch (IOException e) {
    // ${todo}: handle exception
}