The opposite of instanceof?

Is it possible to get the opposite of instanceof in java? I have tried code like this: if( example !instanceof blar...

Cannot Resolve Symbol “OnClickListener”?

I am getting the error Cannot Resolve Symbol "OnClickListener" and "Cannot Resolve Symbol "V"" I am starting to get ...

JavaMail API from Maven?

I am trying to upgrade to latest Java Mail utility. From <dependency> <groupId>javax.mail</gro...

Setting the default active profile in Spring-boot?

I want my default active profile to be production if -Dspring.profiles.active is not set. I tried the following in ...

SELECT statement in JAVA?

public void search() throws Exception{ Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); ...

How to make Java honor the DNS Caching Timeout??

We use GSLB for geo-distribution and load-balancing. Each service is assigned a fixed domain name. Through some DNS ...

How to solve the “failed to lazily initialize a collection of role” Hibernate exception?

I have this problem: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role...

PrintWriter vs FileWriter in Java?

Are PrintWriter and FileWriter in Java the same and no matter which one to use? So far I have used both because thei...

Type mismatch: cannot convert from integer to boolean?

public boolean clearSelection() { int i = 0; if (!this.m_SelectedComps.isEmpty()) { i = 1; I...

How to split a comma-separated string??

I have a String with an unknown length that looks something like this "dog, cat, bear, elephant, ..., giraffe" Wh...

How to fix this error “GC overhead limit exceeded in Eclipse”?

How to fix this error "GC overhead limit exceeded in Eclipse". This problem was occurred when I used graphical layou...

Map to String in Java?

When I do System.out.println(map) in Java, I get a nice output in stdout. How can I obtain this same string represen...