ajay_tabbu

hello friends i m larning core java.i want some write code of some program by in which i can use the concept of opertors,inhertance so plz me assignment so that i can do practic.

my program is compiled.but on run that i have message "Exception in thread "main" java.lang.NullPointer Exception" 1. class Rev 2. { 3. char a[]; 4. char i=3; 5. void str() 6. { 7. for(i='A';i<'D';i++) 8. { 9. a[i]='i'; 10. } 11. } 12. void show() 13. { 14. for(int i='A';i<'D';i++) …

hi, i want to kill all the sleep process in mysql , since it is unnecesserly taking the server memory and process.. Regards Pooran Jaiswal

I m working with applets.but i got struck.I want to explorer directorys and file in Brouser (just like as we open my computer by right click explorer). but i m finding problem in that which java class and method i should use.As when we work without applet it's is simple …

I have this code and when i try run it i got a menssage"PHP Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in C:\AppServ\www\bla bla bla.......... on line 15 i will thankfull if anybody can help me ------------ [code=php]<?php session_start(); if ($userid && $password) { // si …

hello friends, I am working with stored procedure in my sql.I m traying to call SP in php but i fail to do that. I have already configer mysqli.dll file in php. but still i m gating error :[B]Fatal error[/B]: Call to undefined function mysqli_connect() in [B]C:\Employees\Ajay\SP\test.php[/B] on line [B]4 …

I want help. [B]what i do[/B]:I creat three pages 1. login.php, 2. welcome.php, 3.change password.php. when we login(right Id & P/W) welcome.php will open,On that page i have put two option i. Logout, ii.change password.,[U]on clicking on Logout we will logout to enter again we have to enter password.As session …

i need to redirect to other page with out using header if it is not possible tell me how can i use header with relative url plz n 10q

hello friends i have write a code(j2me) for mobile game my code is build but on run i got error message: Unable to create MIDlet Jeep.java java.lang.ClassNotFoundException: Jeep/java at com.sun.midp.midlet.MIDletState.createMIDlet(+29) at com.sun.midp.midlet.Selector.run(+22) Execution completed. 3610981 bytecodes executed 7309 thread switches 1647 classes in the system (including system classes) 18046 dynamic …

dire friends i write code in applet for scrole text left to right.now i want same thing in verical direction n cover full length of screen.so what i should do it

dear friends i set path for jdk1.6.0 and that is working.now i have instole j2me but my j2me code is not working,on run import file cannot find by compailer .so plz tell me is there any need of seting path and if it is than how i can set that.

i have make one package(c:\program files\java\jdk1.6.0\bin\MyPack) and save file as AccountBalance.java this file has two classes.see below. package MyPack; class Balance { String name; double bal; Balance(String n,double b) { name=n; bal=b; } void show() { if(bal<0) System.out.print("-->"); System.out.print(name+":$"+bal); } } class AccountBalance { public static void main(String args[]) { …

i want to find the second smallest number ib array but it is displaying second highest number int max=0,second=0; if(a[0]>a[1]) { max=a[0]; second=a[1]; } else { max=a[1]; second=a[0]; } for( i=2;i<n;i++) { if(a[i]>=max) { second=max; max=a[i]; } else if(a[i]>second) second=a[i]; } System.out.println("the second smallest nubmer is"+second);

i m using window xp and jdk1.6.0. i set environment variables as follow user variables i creat new and in variable name "classpath" and in variable value .;C:\Program Files\Java\jdk1.6.0\bin;.;C:\World after that i edit system variable as follow i edit variable "path" in variable value I append "C:\Program Files\Java\jdk1.6.0\bin" right side …

hello friends i m new in linux i don't now how to use linux n instole it.then aslo i have instole it's so i can't make partition proprely.so i want to instole it again i have one partition of 8 gb in which i have instole linus plz tell me …

i have some dobut i will be oblise if u will help me my doubt is that can we make one class into another class n if it is posible than happend in folling case. 1 if i have nested calss then can i call method of iner most calss …

hello friend i want to make java program to slove trigomeric eq but i dont know how to stare as i m new in java i don't 9 how trigomeric eq can slove bye java can u tell me how i should thikg logicaly i need u r logical help …

Hi all, I Just have to retrieve the data from the oracle database n just write the retrieved data to text file.Please Can anybody send me the code? Its very urgent. [IMG]http://forums.devx.com/images/smilies/frown.gif[/IMG] Thanks in advance.

[code=java] class Rev { char a[]; char i=3; void str() { for(i='A';i<'D';i++) { a[i]='i'; } } void show() { for(int i='A';i<'D';i++) { System.out.print(a[i]); } } Void reversStr() { for(i='A';i<'D';i++) { System.out.print(a[i]); } } } class Revers { public static void main(String[] args) { Rev a1=new Rev(); a1.str(); a1.show(); a1.reversStr(); } …