DateTime in Java 8
Working with Dates in Java 8 is easy and intuitive. LocalDateTime currTime = LocalDateTime.now(); int currentYear = currTime.getYear(); int currentMonth... Continue reading →
Rule of 30
It’s more important to be careful in coming up with the right abstractions and algorithms and to write clean clear... Continue reading →
Useful features of Java 7
Folowing features are marked as most useful: ** Strings in switch ** try-with-resources statement ** Multi-catch this is allowed: catch... Continue reading →
Display new versions of used maven dependencies
Project (builder or single project) -> run as – Maven build… a a goal write versions:display-dependency-updates As a result try... Continue reading →
try-with-resources Statement
static String readFirstLineFromFile(String path) throws IOException { try (BufferedReader br = new BufferedReader(new FileReader(path))) { return br.readLine(); } } When... Continue reading →
Oracle LISTAGG
For a specified measure, LISTAGG orders data within each group specified in the ORDER BY clause and then concatenates the... Continue reading →
Display PDF on webpage in Ext.window
We have a working example of displaying PDF file on ExtJS page. It is using https://github.com/pipwerks/PDFObject Example code is available... Continue reading →
Java/Javascript/Oracle lessons
Blog for lifelong learing to code in Intersoft.
