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My second frame will not open and my first will not close

Isaac Skelton
Greenhorn

Joined: Sep 06, 2012
Posts: 5

Im having problems with the secong frame, I have put in capital letters a comment next to my problem. I can not get the old frame to disapear and open the new one (I dont know if login.dispose() is even java, it was just a guess).


Thanks in advanced I. Skelton
Greg Brannon
Bartender

Joined: Oct 24, 2010
Posts: 561
Use the equals() method to compare Strings.

if username.equals( "this" )

etc. . .


Always learning Java, currently using Eclipse on Fedora.
Linux user#: 501795
Isaac Skelton
Greenhorn

Joined: Sep 06, 2012
Posts: 5

Greg Brannon wrote:Use the equals() method to compare Strings.

if username.equals( "this" )

etc. . .


Thanks you so much, it worked perfect and it was a quick reply to my question.
Kemal Sokolovic
Bartender

Joined: Jun 19, 2010
Posts: 825
    
    5

What is that empty statement in else doing there?

When comparing strings, make sure you use equals() as suggested, and try to do it this way:
This way you avoid getting a NullPointerException.

Also, try not to name your variables like_this, but likeThis, since it's common in Java.


The quieter you are, the more you are able to hear.
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: My second frame will not open and my first will not close