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鍙互鐢―ouble閲岀殑涓浜涘嚱鏁版潵鍒ゆ柇:
public boolean isInfinite()濡傛灉褰撳墠 Double 瀵硅薄鐨勫間負(fù)鏃犻檺澶э紝鍒欒繑鍥?true銆?濡傛灉褰撳墠瀵硅薄瀵瑰簲鐨勫間負(fù)姝f棤闄愭垨璐熸棤闄愬ぇ錛屽垯涓?錛屽惁鍒欎負(fù)
false
public boolean isNaN()濡傛灉褰撳墠 Double 瀵硅薄鐨勫間負(fù)闈炴暟鍊?NaN)錛屽垯榪斿洖 true銆?濡傛灉褰撳墠瀵硅薄琛ㄧず鐨勫間負(fù) NaN錛屽垯涓?錛屽惁鍒欎負(fù)
銆?鎵璋揘aN鍗蟲槸鏇村紓甯稿樊涓嶅鐨勪綔鐢ㄤ緥濡傦細(xì)1.0/0
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