Beginning Java Book

This book will try to get you introduced to the world of programming and Java and will cover most of the required topics for OCA Java SE 7 Programmer I certification 1ZO-803. Notes related to object oriented programming has been moved to and is also required for passing the OCA certification exam.



doctor.chepete's picture

Which section talks about threads?

You can find notes on Threads @ Please read, practice and ask any doubts on respective topics.


dear sir i unable to find error (runtime) from blow code
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package sum1;

* @author ajay
public class Sum1 {

* @param r
public static void main(String r[]) {
// TODO code application logic here
int x= Integer.parseInt(r[0]);
int y= Integer.parseInt(r[1]);
long z;
System.out.println("sum of the integers is"+z);

error msg is
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
at sum1.Sum1.main(
Java Result: 1
BUILD SUCCESSFUL (total time: 1 second)
** jdk 1.8 with netbeans 8.0
please help me

Please ask the question in the forum page. Anyway u are not passing command line arguments here.

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