literal « Integer « Java Data Type Q&A





1. Letters within integers. What are they?    stackoverflow.com

This is an excerpt of code from a class I am working with in Java (below). Obviously the code is defining a static variable named EPSILON with the data type double. ...

3. Integer arithmetic in Java with char and integer literal    stackoverflow.com

Can someone explain to me why the following code compiles OK in Java?

char c = 'a' + 10;
Why is this not equivalent to the following, which does not compile? ...

4. The literal of int xxxxx is out of range    stackoverflow.com

I am slightly puzzled as I am working with data types at the moment in Java, and if I have understood correctly the type long accepts a value between the ranges ...

5. Why is 08 not a valid integer literal in Java?    stackoverflow.com

Why is 08 considered an out of range int but 07 and below are not?

6. Any idea why I need to cast an integer literal to (int) here?    stackoverflow.com

In the following example

int i = -128;
Integer i2 = (Integer) i; // compiles

Integer i3 = (Integer) -128; /*** Doesn't compile ***/

Integer i4 = (Integer) (int) -128; // compiles
Integer i4 = -128; ...

7. Integer literal    coderanch.com

As an instance variable, int i is initialized to zero. The method that alters this value is never called. Instead, the overridden version of this method is called. Try this: abstract class Demo{ int i; protected void vv(){ i = 2147483647; i += 2; } } class DemoX extends Demo{ public void vv(){ [B]super.vv(); //calls superclass version[/B] System.out.println("Value: " + i); ...

8. integer literals    coderanch.com

9. Character Wrapper and Literal int Assignment    coderanch.com

Hi all, I've a two part question today: First: As a Character object can only be constructed using a char value, is the assignment of a literal int ... Character c1 = 65; ... replaced with the creation of a char that is used to create the Character ... char c = 65; Character c1 = new Character(c); ... at compile ...





12. Integer literals implicit casting    coderanch.com

The range of a byte is up to 127 , so first statement works fine . in second statement you are adding two bytes , 200 , in this case and storing it again on byte type. what else would you expect ?? Can you figure out the solution ?? int b = a+a ; should work with out truncating any ...

14. Need some explanition with hexadecimal int literals.    forums.oracle.com

Just like with the base-10 numbers that you're used to, but don't even think about what you're doing. In base 10: 65 = (5 * 10^0) + (6 * 10^1) = 5 + 60 = 65 In base 8: 101 = (1 * 8^0) + (0 * 8^1) + (1 * 8^2) = 1 + 0 + 64 = 65. Given ...