Java Programming

data encryption

I am working on a project where I need to be able to pass a string through a SHA-2 encryption and then use the result as part of a call to open a URL.  The URL call is a breeze.., If there source code out there that has the SHA-2 algorithm that can run on the iSeries?  If it has to be in a JAVA...

Difference between float and double?

float f=1.2f;  double d=1.2;  if(f>d)  {    System.out.println("Welcome");  }   Output: Welcome.  Why float is bigger than double while both have the same 1.2 value? Software/Hardware used: Java

action listener

if i want to declare a button in one class and assign action to it another class, how shall the code be written? the add ActionListener(this) does not to seem to work when the button is declared in one class and action assigned to it another class how shall the code be written? Software/Hardware...

Doubt in Short and int data types in java

public class Yikes { public static void go(Long n) {System.out.println("Long ");} public static void go(Short n) {System.out.println("Short ");} public static void go(int n) {System.out.println("int ");} public static void main(String [] args) { short y = 6; long z = 7; go(y); go(z); } } Answer:...

I am using NetBeans 6.7 and stil new to Java programming.

I am using netbeans 6.7 and stil new to java programming. I created three projects but now i dont know how to switch between two projects, running another project whilst i had open the 1st one and even i set up helloworld as the main project and when ever i open netbeans it starts as the default...

Store .wav file in a oracle db

I want a java program to store a .wav file to be stored in oracle. I know that we use blob, but my problem is I want to know the things to do in between upload and the insert statment used to store in the db

What is the command to compile a Java program?

What is the command to compile a Java program? What is the command to run a Java application?

Java codes

How to create a program in java that will display a lowest and highest number?

IT career requirements for Java?

Hi there, I'm currently studying IT- Network and Systems Engineering. I wanted to get your professional opinion on a matter. I am not required or expected to study Java Programming. But I want to get you input on that. Should I learn Java ... will I need it for future purposes?

java programing source cods.

hi guys i was just wondering if you could tell me links or programs or notes related to java programing language only. especially a link that briefly have source codes for problem solving questions and answers.

Java doubt

When i compiled the java program in the cmd prompt it says javac file not found.usage javac <options> <source files>...As a friend whu said me in this forum to chek whether i set the rite path,i tried it again but i get the same result.... when i open my command prompt i type in these...

J2EE Web-based appllications

Hi Im developing a J2EE application,when try to run this url--http://localhost:8080/ConAppl/editTaxi.html?id=1. It gives me this error javax.servlet.jsp.JspException: No form found under 'taxiForm' in locale 'en_US' does any1 have any idea with this error? Thank you in advance

I'm a newbie just started learning java programming for Dummies lol. Please could someone put me in the right direction to become a Java Programmer

HI i am 20 yrs old, i have no experience what so ever with programming but am very good at using windows. I've just started to learn java programming using an Ebook called Java programming for dummies. I've recently looked up on google wages for java programmers and seen wages as much as 80 to 100...