Traits of a Java Software Developer

• Mastery of version control system
• Check out
• Check in
• see which files you modified or created
• Add new files to version control
  
• Branch
• Merge branch into trunk
• Revert changes
• Rename files in version control
• Ant / Mavan
• Be able to read a build script
• copy target
• jar, war, compile, deploy, test, targets
• Charting
• Create pi-charts, bar-charts from Java objects using JFreeChart
• Put tool-tip or hover on certain parts of the graph
• Custom axis labels and ranges
  
• Use Google charts to serve up images in web pages.
  
• Database
• Create a table with a PK, required, default values with data types of int, boolean, varchar, date, timestamp,
  
• Insert data into tables,
• Create foreign-key constraints
  
• Sort in ASC or DESC order by one or more fields
• Filter
• Join (inner, outer, left and right outer joins)
• Common syntax in MSSQL, MySQL, Oracle,
• Create index, composite index,
• JDBC
• query db to get count
• query db to get a list of items
• Update or or more rows in db
• bind int, bool, double, string, date, timestamp data types
  
• Call a stored proc
• closing statements and connections.
• connection pools
  
• Java
• Interface vs. Class vs. abstract class,
  
• enum
• regex pattern matching (java.util.regex)
• Guru of collections.
  
• Web applications
• cookie management from servlets
• response encoding for PDF and GIF and TXT, HTML
• Form based authentication
• Authenticating against a DB or a LDAP realm
• Redirects,
  
• HTTP response codes
• Servlet threading model
  
• Logging
• Log4J configuration
• Logging in production vs. development
• Log rotation
• Basic grep knowledge to find info in logs
• Debugging
• Remote debugging using Eclipse, Idea, NetBeans
• Change var values on the fly to simulate certain conditions
• Wireshark, Firebug, Temper to monitor HTTP request and response
• Cause an error, deliberately throw an exception of your choice to ensure proper handling.
  
• Deployment
• manage a Tomcat deployment
  
• Package a war
• Deploy
  
• Basic Unix commands
• chmod, chown, grep, find, scp, ssh,