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Integer.parseInt

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Syntax 1

public static int parseInt( String s**, int** radix ) throws NumberFormatException

Parameters
  • s
    the String containing the integer.
  • radix
    the radix to be used.
Returns

the integer represented by the string argument in the specified radix.

Description

Parses the string argument as a signed integer in the radix specified by the second argument. The characters in the string must all be digits of the specified radix (as determined by whether Character.digit returns a nonnegative value), except that the first character may be an ASCII minus sign '-' to indicate a negative value. The resulting integer value is returned.

Exceptions

NumberFormatException if the string does not contain a parsable integer.

Syntax 2

public static int parseInt( String s ) throws NumberFormatException

Parameters
  • s
    a string.
Returns

the integer represented by the argument in decimal.

Description

Parses the string argument as a signed decimal integer. The characters in the string must all be decimal digits, except that the first character may be an ASCII minus sign '-' to indicate a negative value.

Exceptions

NumberFormatException if the string does not contain a parsable integer.