## 1. How can I encrypt/decrypt 12-digit decimal numbers to other ones, using a password and Java? stackoverflow.comI have already read Using Java to encrypt integers and Encrypting with DES Using a Pass Phrase. All I need is a simple Encrypter which transforms a 12 digit ... |

## 2. nondecimal with 3 digit decimal without rounding in java stackoverflow.comI have a string in the formt "123456670007777777+" with digits and sign(+ or -). Total length--->19 I want to convert this string into non-decimal with 3 precision except sign. please provide samples for converting ... |

## 3. Number of decimal digits in a double stackoverflow.comI need the number of integer digits and the number of digits after decimal in a number like 234.12413 in Java. Please help. |

## 4. method to find # of digits after decimal coderanch.comIs there any method that will return the number of digits after decimal in double number. eg, I want to write a method that takes "double number " as input.. I want to know if that number/parameter has any decimal numbers.. ?and how many ? if parameter is '3' , method should return '0' .. if parameter is 3.23, it should ... |

## 5. How to count the number of digits after decimal point in java? coderanch.comThanks. is there a simple function in java doing that already? for ex: reverse() function for strings already exits.. similary, i was expecting some java api to fetch the decimal part from that given double value..from which I can do my length() operator. makes sense? [ March 21, 2007: Message edited by: Laxi Rara ] |

## 6. I am trying to only display at most two decimal digits.(rounding) coderanch.comI am writtng a java app that computes an energy bill, but the computations are only supposed to display two decimals digits at the most. here is my code, I am trying to find a way to only display the two digits after the decimal in the answer (print statement). I was thinking that I could use a string method or ... |

## 7. Decimal digits coderanch.com |

## 8. How to set decimals to only 2 digits in Doubles? coderanch.comHello, I am have the following method (pseudo code) which sums up totals: public String getSum() { // For Loop { Double totalDollarAmount = 0.0; Double amount = transactionTotalAmount.doubleValue(); totalDollarAmount = totalDollarAmount + amount; } // For Loop ending return totalDollarAmount.toString(); } Sometimes, my method returns values such as this: 25.00 125.00024 131.35001 33.0 How to I set up it so ... |

## 9. HELP! How to output the number of digits on each side of decimal forums.oracle.comI'm in a beginning Java class, this is only our 3rd program. I'm not very familiar with the language... I just know from our instructions that this is what we are supposed to do. Thus far, my program is correct... I just can't figure out how to display the numbers on each side of the decimal using the indexOf() and substring() ... |

## 10. I want real numbers with specific number of decimal digits forums.oracle.comHello! I'm not quite familiar yet with the classes of java, so I encounter some elementary problems! My problem is exactly the one written in the title of the post! I've done a little searching in java API and the most relative thing I found is the one that follows: DecimalFormat.setMaximumFractionDigits(digits) Is this what I am looking for? And If yes, ... |

## 11. I am trying to only display at most two decimal digits. forums.oracle.comI didn't mean I wanted to bash the newbies. What I meant was I would tell them that DecimalFormat is the class they need and then expect them to find it for themselves in the API (ie NOT provide the link). I wouldn't just say "There is a class in the API go find it for yourself" without giving them the ... |

## 12. After decimal i am missing one digit if the digit is 0. forums.oracle.comHi All, in the data base the value is stored as 200.90 if I get the data from the data base i am receiving it as 200.9 only. If the value stored is 200.96 then i am getting the correct value. It is happening only when the second digit is 0. any one can help me? |

## 13. Digits after the decimal forums.oracle.com |

## 14. How to restriction of numbers after decimal point(2 digit) forums.oracle.com |

## 15. Round up problem when restricting Digits after Decimal point. forums.oracle.comHi, I am trying to restrict digits after deicmal point using BigDecimal. I want to restrict it to 4 digits after decimal point and while doing this i want the 4th digit to roundup depending on 5th digit. For this i'm using following code. BigDecimal bd = new BigDecimal(num); bd = bd.setScale(4,BigDecimal.ROUND_UP); When i set num = 7.8213 it gives bd ... |