The
java.lang.Long.decode() is a built in function in java that decodes a String into a Long. It accepts decimal, hexadecimal, and octal numbers.
Syntax:
public static Long decode(String number) throws NumberFormatException
Parameter:
number- the number that has to be decoded into a Long.
Error and Exceptions:
- NumberFormatException: If the String does not contain a parsable long, the program returns this error.
Returns: It returns the decoded string.
Program 1: The program below demonstrates the working of function.
Output:
Number = 54534
Program 2: The program demonstrates the conversions using decode() function
Output:
Decimal [10] = 10
Hexa [0XFF] = 255
Octal [067] = 55
Program 3: The program demonstrates error and exceptions.
Output:
Exception in thread "main" java.lang.NumberFormatException: For input string: "1A"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.valueOf(Integer.java:740)
at java.lang.Integer.decode(Integer.java:1197)
at GFG.main(File.java:16)
