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Sort objects in ArrayList by date?
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Since Java 8 the List interface provides the sort method. Combined with lambda expression the easiest solution would be
// sort DateTime typed list
list.sort((d1,d2) -> d1.compareTo(d2));
// or an object which has an DateTime a...
Last iteration of enhanced for loop in java
...: ints) {
sb.append(delim).append(i);
delim = ",";
}
Update: For Java 8, you now have Collectors
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Light weight alternative to Hibernate? [closed]
I have a single user java program that I would like to have store data in a light weight database such as Derby or Sqlite. I would like to use a data abstraction layer in my program. Hibernate appears to require a lot of configuration and is overkill for what I need. What are light weight alternativ...
How to model type-safe enum types?
Scala doesn't have type-safe enum s like Java has. Given a set of related constants, what would be the best way in Scala to represent those constants?
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Which HTML Parser is the best? [closed]
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Self plug: I have just released a new Java HTML parser: jsoup. I mention it here because I think it will do what you are after.
Its party trick is a CSS selector syntax to find elements, e.g.:
String html = "<html><head><title>First parse</...
Is there a way to automatically generate getters and setters in Eclipse?
I am working on a new Android project ( Java ), and created an Object with a large number of variables. Since I am planning to add getters and setters for all of them, I was wondering: is there a shortcut in Eclipse for automatically generating the getters and setters in a given class?
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Lombok annotations do not compile under Intellij idea [duplicate]
...uild -> Rebuild project whenever I am using Eclipse compiler to compile java sources inside intellij Idea lombock annotations are not processed and project has numerous compile time errors. Swithed back to Javac compiler and everything works fine.
– David
Fe...
What is the most useful script you've written for everyday life? [closed]
...e files you need to check, then search within them. For example, to find a Java or Python program that flips an image you could do this:
findstr "\.java \.py" dirlist.txt > narrowlist.txt
findstr /i /r /f:narrowlist.txt "flip.*image"
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How to declare an ArrayList with values? [duplicate]
ArrayList or List declaration in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values?
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java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...e of the most common errors that I found developing Android Apps is the “java.lang.OutOfMemoryError: Bitmap Size Exceeds VM Budget” error. I found this error frequently on activities using lots of bitmaps after changing orientation: the Activity is destroyed, created again and the layouts are ...