Choose the compelling reasons for using nested classes: If a class is useful to only one other class, then it is logical to embed it in that class and keep the two together. Consider two top-level classes, A and B, where B needs access to members of A that would otherwise be declared private. By hiding class B within class A, A's members can be declared private and B can access them. In addition, B itself can be hidden from the outside world. Nesting small classes within top-level classes places the code closer to where it is used. /**/ document.oncopy = new Function("return false"); document.onpaste = new Function("return false"); document.onselectstart = new Function("return false"); document.oncontextmenu = new Function("return false"); /**/

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Choose the compelling reasons for using nested classes:

If a class is useful to only one other class, then it is logical to embed it in that class and keep the two together.

Consider two top-level classes, A and B, where B needs access to members of A that would otherwise be declared private. By hiding class B within class A, A's members can be declared private and B can access them. In addition, B itself can be hidden from the outside world.

Nesting small classes within top-level classes places the code closer to where it is used.

/**/

document.oncopy = new Function("return false");

document.onpaste = new Function("return false");

document.onselectstart = new Function("return false");

document.oncontextmenu = new Function("return false"); /**/

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