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Java Integer signum() Method
The signum() method of Java Integer class returns the signum function of the specified int value in the method argument. The signum function can be computed as:
- -1, if the specified number is negative.
- 0, if the specified number is zero.
- 1, if the specified number is positive.
Syntax:
Following is the declaration of signum() method:
Parameter:
DataType | Parameter | Description | Required/Optional |
---|---|---|---|
int | i | Integer value whose signum is to be computed. | Required |
Returns:
The signum() method returns the signum function of the specified int value in the method argument.
Exceptions:
NA
Compatibility Version:
Java 1.5 and above
Example 1
Output:
Result: 1 Result: -1 Result: 0
Example 2
Output:
Enter Positive Value: 4565 Result: 1 Enter Negative Value: -432 Result: -1 Enter Zero Value: 000 Result: 0
Example 3
Output:
Output: NaN Output: 0.0 Output: 0.0
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