/* * boolean isNaN(float f) static method checks whether the agrument * PRimitive float value is Not-a-Number value or not. It return true if * the specified argument is Not-a-Number value, false otherwise. */ float f = (float) Math.sqrt(-10); System.out.println(f); boolean b1 = Float.isNaN(f); System.out.println(b1);
/* * boolean isNaN() instance method checks whether the Float object is * Not-a-Number value or not. It return true if the object is * Not-a-Number value, false otherwise. */ Float fObj = new Float(f); boolean b2 = fObj.isNaN(); System.out.println(b2);新聞熱點(diǎn)
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