1. What to do when you need to store a (very) large number? stackoverflow.comHey, I am trying to do a project euler problem but it involves adding the digits of a very large number. (100!) Using java, int and long are too small. Thanks for ... 
2. Java's L number (long) specification question stackoverflow.comIt appears that when you type in a number in java, the compiler automatically reads it as an integer, which is why when you type in (long) 6000000000 (not in Integer's ... 
3. How can I check if multiplying two numbers in Java will cause an overflow? stackoverflow.comI want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:

4. Java: random long number in 0 <= x < n range stackoverflow.comRandom class has a method to generate random int in a given range. For example:
This would generate an int number more or equal ... 
5. java long number calculate problem stackoverflow.comcodes:

6. Finding the prime factor of a Long number using Java stackoverflow.com

7. Java  Can't make ProjectEuler 3 Work for a very big number (600851475143) stackoverflow.comIt turns out there is (probably) "nothing wrong" with the code itself, it is just inefficient. If my math is correct, If I leave it running ... 
8. Random number with uniform distribution over a long period stackoverflow.comI would like to generate (quality) random numbers in my Java EE application over a long period of time (dozens of numbers per day). It should keep the uniform distribution even ... 
9. How to remove zero in front of string and cast in number in java stackoverflow.comI have string 
10. Number is too long to be passed to Random() ? stackoverflow.comI'm trying to do
Random being java.util.Random
It says the number is too long, but why can System.currentTimeMillis() be passed to the constructor? It returns even bigger numbers.
1309233053284 are ... 
11. If you convert a Java Long to another base, how do you get it back from the String it was converted to? stackoverflow.comAfter you convert a number to a different base:
How do you convert the String back to a normal base 10 number?

12. Writing to Excel from Java takes long time for large number of records stackoverflow.comI am using Jxl API to write to Excel,to export large number of records to excel. For my configuration number of records are around 40000. and for before writing these records ... 
13. merge two long numbers into a single long number bytes.com 
14. merge two long numbers into one long number bytes.comi am implementing blowfish algorithm.. i have a long number or a 64 bit no. say X i have to divide this 64 bit block into two 32 bit blocks say ... 
15. Showing Long Numbers coderanch.com 
16. convert long or String to Number coderanch.com 
17. Problem in taking difference between two long number. coderanch.comHi Friends, I have to Upload a file where we will have two 14 digit number called fromNumber and toNumber , so i assigned those two numbers to long datatype. when i upload a large number of file say(5 lakhs records), at that time, to some of the records are coming with minus number (this happends only for some number) Could ... 
18. Storing numbers as variable type long coderanch.com 
19. A number outside range of long ? coderanch.com 
20. Programming with objects to turn a long number into strings. javaforums.orgProgramming with objects to turn a long number into strings. Hello again everyone, so I have been working on this program for a couple of days, and I have screwed it up badly, refixed it, and screwed it all up again many many times. Here are the parameters for the assignment: I must use objects in java to take ... 
21. How to deal with very long numbers forums.oracle.com 
22. Long number to 2 digits forums.oracle.comHi All I have a problem formatting a number in Java and cannot find a solution anywhere, would grealty appreciate any sugestions. I have two long numbers I am using as minutes:seconds but these numbers are not displaying correctly. e.g. 0:334234 where I would like to round to 2 digits only. long diff = this.endTime.getTime()  getStartTime().getTime(); long minutes = diff ... 
23. put number 10e12 into "long" forums.oracle.com 
24. Creating long number issue forums.oracle.com 
25. How to check if the length of a number is 12 digits long? forums.oracle.com 
26. Number of digits of a Long value forums.oracle.com 
27. Prime Number Checkerworking, but won't take numbers long enough. forums.oracle.comI'm less concerned about the computational speed; I'd rather get the code elegant and THEN fiddle with it. I already know that 1000000000001 and 10000000000003 are twin primes; why when I start the value of "number" at 1000000000001 do I still get that loop? Theoretically speaking, it should stop and print the success message on the first iteration, but it does ... 
28. Handling and holding Long Long Number forums.oracle.com 
29. how to convert number 10 to a long value ? forums.oracle.comHello What is the corresponding long value for number 10 ? I am trying to compare timestamp time1: long value of 09:10:00 is 1206105000929 time2: long value of 09:08:20 is 1206104900929 I need to get the difference between time1 and time2 and check if that difference is less than 10, but I do not know the long value for 10 b/c ... 
30. Applying modulo % operator on Long number forums.oracle.com 