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What characters are legal for starting an identifier
Letters: a..Z or A..Z
Connecting Characters: ‿⁀⁔﹎﹏__ e.t.c
Currency Characters: $¤£¢¥ e.t.c
Can an interface method be static?
No
What modifiers can a variable have on an intetface?
public static final
If you omit any above they will anyway default to the above
Constant
Which of the following modifiers are valid for an method interface?
static final strictfp native abstract
Only abstract
What are the default modifiers for a interface method
public,abstract
... This is implicit when not provided
What's the difference between protected and default access?
Default members are only accessible within the package
Protected can be accessed by subclasses in any package
What does synchronized mean?
That the method can only be accessed by one thread at a time
What is strictfp use for?
To select IEEE floating point arithmetic. It may be less precise but it is more portable... Being the same accuracy on all systems
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