Set significant figures in Java Programming language
How do i set significant figures in Java Programming language?
Java 1.5 offers a printf-like formatting via java.util.Formatter or via the ‘printf’ method of an output stream:
e.g.: System.out.printf(”%.2f”, (double)100); or
String output = String.format(”%.2f”, (double)100);
http://java.sun.com/j2se/1.5.0/docs/api/…
http://java.sun.com/j2se/1.5.0/docs/api/…
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Tags: Java
Create a Java bean for Drop down menu
How to create a Java bean for Drop down menu?
in the java bean:
u need to create the element as an array, and fill up the elements.
Have getter and setter for the element
in the jsp, u can just call the array and loop it and display the elements in the array.
addthis_url [...]
Check whether a file is opened or not through java
How do i check whether a file is opened or not through java?
I don’t think you can do that. When you ask java to open the file it can read from it. If you don’t open the file in the code, the Java wont see the file at all. You might want to look at [...]
Add Java Script to my desktop
How to add Java Script to my desktop?
Java Script is a script, it is text, a javascript file would be a text file. You would open it in notepad. It cannot do anything by itself, it has to be interpreted by a host, which for javascript is usually a web browser. Your description makes me [...]
Study for the Java programmer certification exam
How long do you need to study for the Java programmer certification exam?
*programmer* one is just a lot of picky stuff like knowing the differnece between (++i) and (i++). it is knowing the language inside and out.
if you already have a lot of java experience, it will be like the other poster said 2 weeks. [...]
