Unknown Features of Java

[Jaiwanti]

Hi ,

I know about most of features of JAVA language.
But I am thinking regarding less used features of the JAVA language is a fun refresher.

Do you think of any more "Unknown" features of this language? Or just anything interesting that not most of language user are familiar with?

If you know some hidden properties or features of JAVA language ,Please share with us.

[opaper]

Hello,

I don't think anybody is familiar with this feature of JAVA language. See below code:

public static void main(String[] args) {
System.out.print("iexplore:");
http://www.google.com;
System.out.println(":maximize");
}

[MindSpace]

I got surprised about return type generics feature of java.

As I often use Java to write tests and need to select as well as generate testdata,

the below code help to randomizing selection of data :


public static <T> T selectRandom(List<T> list) {
if (list != null) {
int listSize = list.size();

return listSize > 0 ? list.get(RANDOM_NUMBER_GENERATOR.nextInt(listSize)) : null;
}

return null;
}

public static <T> T selectRandom(T... array) {
if (array != null) {
return array.length > 0 ? array[RANDOM_NUMBER_GENERATOR.nextInt(array.length)] : null;
}

return null;
}



I hope this will also help you also

[Modifier]

I am aware about a way to avoid some of the tedious as well as difficult casts with generics return from other generic methods

public <x> x foo() {
//blah
return a;
}

public <y> y bar() {
return <y>foo();
}