Example
public
class
ClassA {
private
File f;
private
File f2;
public void
methodA {
f.rename(f2);
//...
}
}
Solution
Store the method invocation's return value.
public
class
ClassA {
private
File f;
private
File f2;
public void
methodA {
int
i=f.rename(f2);
// Use the value of i in some way...
}
}