4 java 编程规范

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[img]http://dl.iteye.com/upload/attachment/468698/253f4303-024f-37ef-898b-c3b3dd94a55c.png[/img]
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[img]http://dl.iteye.com/upload/attachment/469468/2be369a2-9fd8-3ae6-b840-18cf380da45c.png[/img]
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[img]http://dl.iteye.com/upload/attachment/469470/3dc98b59-4d11-35b6-b9e5-d82db449c6e1.png[/img]

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[img]http://dl.iteye.com/upload/attachment/469476/16e241b1-9cf1-35e7-9367-210de67c397a.png[/img]

上面覆盖下面 用toString

[img]http://dl.iteye.com/upload/attachment/469478/21d48320-e4d3-3711-b28c-253d22c42bbf.png[/img]
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[img]http://dl.iteye.com/upload/attachment/469474/78430dcc-e44d-32a0-805c-9d749144fa0b.png[/img]
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