How can I do a presence check in Java? i am getting an error.
126
How do I compare strings in Java?
35590
How to fix NullPointerException in Java?
155782
Why does Java have an "unreachable statement" compiler error?
143531
False positive? I get this error but cannot find any reason: "Your post appears to contain code that is not properly formatted as code."
157013
How to check if a page is ghosted
135517
How do I check if a file exists in Java?
2116
IllegalArgumentException or NullPointerException for a null parameter?
126231
How can I manage the onslaught of null checks?
150261
Alternative to File.exists() in Java
119366
What causes "Missed Method" in this code?
125535
How do I fix this "identifier is not declared in the current scope" error?
66617
My java code has an obvious error. Why does it compile and run?
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
135931
What does "Method '~' of object '~' failed" at runtime mean?
137223
A network-related or instance-specific error occurred
1541
How do I check in SQLite whether a table exists?
7534
Java error: class, interface, or enum expected