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Java.lang.Float.isNaN(float v) Method
Description
The java.lang.Float.isNaN(float v) method returns true if the specified number is a Not-a-Number (NaN) value, else false.The argument v is the value to be tested.
Declaration
Following is the declaration for java.lang.Float.isNaN() method
public static boolean isNaN(float v)
Parameters
v − This is the value to be tested.
Return Value
This method returns true if the argument is NaN, else false.
Exception
NA
Example
The following example shows the usage of java.lang.Float.isNaN() method.
package com.tutorialspoint; import java.lang.*; public class FloatDemo { public static void main(String[] args) { Float f1 = new Float(-1.0/0.0); Float f2 = new Float(0.0/0.0); // returns true if this Float value is a Not-a-Number(NaN), else false System.out.println(f1 + " = " + f1.isNaN(f1)); System.out.println(f2 + " = " + f2.isNaN(f2)); } }
Let us compile and run the above program, this will produce the following result −
-Infinity = false NaN = true
java_lang_float.htm
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