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Start your free trialWan Nor Adzahari Wan Tajuddin
2,438 PointsWhy no () needed on args.length == 0
Isn't .length
is a method? Therefore it should have been .length()
instead of .length
?
if (args.length == 0) { \\ Why is it args.length and not args.length()
System.out.println("Usage: java Hangman <answer>");
System.err.println("Answer is required");
System.exit(1);
}
2 Answers
Fahad Mutair
10,359 PointsIn addition to what Rune said
length is used with Arrays
length() is used with String
Rune Andreas Nielsen
5,354 PointsHi, Wan.
In Java, length is a property on the Array Type. Properties cannot be called by using the '()' syntax in Java.
Chufan Xiao
18,955 PointsChufan Xiao
18,955 PointsThanks