println « Integer « Java Data Type Q&A

1. Java: How can I println an error message when the comand line argument is not a valid integer?

I made an application in Java that calculates the sum of all numbers up untill the input in the command line. But, if one would put in a double or string in ...

2. java println problem

Possible Duplicates:
How do I compare strings in Java?
whats the difference between “.equals and ==”
Hi all, System.out.println() behaving in a different way with ...

3. Division of integers in Java

This is a ridiculous question but I can't find an answer. Have looked into floating point arithmetic and a few other topics but nothing has seemed to address this. ...

4. Java outputting integer with println method

Say I had the following:

int i = 23 ;
System.out.println( i ) ;
This will generate an error. But, writing
System.out.println( "" + i ) ;
will solve the problem. Can you tell me why ...