һfinal
        ݳĻJavaؼfinalС޷ıġߡ̬ġ壬ηǳࡢǳԱͱܳҪֹı䣺ƻЧʡ
        final಻ܱ̳Уû࣬finalеķĬfinalġ
        finalܱķǣԱ̳С
        finalԱʾֵֻܱһΣֵֵٸı䡣
        finalι췽
        ע⣺privateԱǲܱ෽ǵģprivate͵ķĬfinal͵ġ
static

        staticʾȫ֡ߡ̬˼γԱͳԱҲγɾ̬static飬Javaûȫֱĸ

        staticεĳԱͳԱڸκζҲ˵ضʵʵֻҪ౻أJavaܸʱķڶҵǡˣstaticκζ󴴽֮ǰʣκζ

        publicεstaticԱͳԱȫֱȫַĶУstaticĸʵͬһstatic
 
        staticǰprivateΣʾľ̬У̬ԱʹãȻҲڷǾ̬Աʹ--ϻǲֱͨãһҪʵҪףprivateǷȨ޶staticʾҪʵͿʹãˡstaticǰȨ޹ؼֵЧҲԴơ
 
        staticεĳԱͳԱϰϳΪ̬;ֱ̬ͨʣ﷨Ϊ
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        staticεĴʾ̬飬JavaJVMʱͻִиô飨ôǳ󣬺Ǻǣ