I know that Javac compiler is able to transform String concatenation + using StringBuilder/StringBuffer, and I'm curious to know starting from which version this change was introduced? I'm using t...

I've ran into a bit of a confusion. I know that String objects are immutable. This means that if I call a method from the String class, like replace() then the original contents of the String are ...

I'm running this code with JDK 1.4 and 1.5 and get different results. Why is it the case? String str = ""; int test = 3; str = String.valueOf(test); System.out.println("str[" + str + "]\nequals r...

I have tried iText, PDFBox & Oracle Forms. And I also succed in case of iText to generate Gujarati PDF Document. But, unfortunately it is not generating proper Font in Gujarati (UTF-8) language...

I primarily use JDeveloper 10 with JDK 1.4.2 on Vista. I would like to install Eclipse and have it run the latest JDK 6. Is this possible without conflict? Ideally I would like to just use JDev...

I have to use Java 1.4 and am using arraylist structures. Now I need to do some re-factoring and it would help if I can use Generics. Currently I have code like this ArrayList rows = new ArrayList...

Which data type is apt to represent a decimal number like "10364055.81". If tried using double: double d = 10364055.81; But when I try to print the number, its displaying as "1.036405581E7", wh...

How can I run a task daily at a specified time (say 11:00 am) using java.util.Timer? I'm using JDK 1.4.2, I know it's old, but it's what the project requires.

I need to set up a legacy app that uses Tomcat 4 and runs using the 1.4 JDK. I tried to install the linux JDK 1.4 from the sun download site on Ubuntu 9.04 but it wouldnt install. Is it possible ...