Tags » Util

Transfo 110->220 - SOLD

Transformer 110 volt to 220 volt. Used it to run 220V devices from other countries. Probably needs plug adapters to fit the right countries.


Avoid Null Checks with Java 8

Alternative Code Enhancement to using Null Check with Java 8:
Let’s go into the concept straight away. Previously when we call a method. If everything works well it returns expected value, otherwise it returns null reference. 570 more words


Strange it is

If I run the following program, which parses two date strings referencing times one second apart and compares them:

public static void main(String[] args) throws ParseException { SimpleDateFormat sf = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”); String str3 = “1927-12-31 23:54:07″; String str4 = “1927-12-31 23:54:08″; Date sDt3 = sf.parse(str3); Date sDt4 = sf.parse(str4); long ld3 = sDt3.getTime() /1000; long ld4 = sDt4.getTime() /1000; System.out.println(ld3); System.out.println(ld4); System.out.println(ld4-ld3); } 156 more words