5 Golden Rules of widening, boxing & varargs

Rules :
1. Primitive Widening > Boxing > Varargs.
2. Widening and Boxing (WB) not allowed.
3. Boxing and Widening (BW) allowed.
4. While overloading, Widening + vararg and Boxing + vararg can only be used in a mutually exclusive manner i.e. not together.
5. Widening between wrapper classes not allowed


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