COMP SCI 302 Lecture Notes - Lecture 3: Whitespace Character, Data Type, Decimal Mark
22 Sep 2015
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Document Summary
Data type char - each letter in a string is a char (one char is 2 bytes or 16 bits) 2: stream stores key presses (called buffer) Integer (representing character pressed) is produced: only until enter key is pressed. Methods used with scanner nextline() - a method that returns a string of chars up until newline character is reached. It removes characters from the buffer (temp storage). Also removes newline character (\n). next() - a method that skips whitespace and returns a string of characters up until a whitespace character. Also removes characters and whitespace characters (excepts last whitespace character). String ans = scnr. nextline(); nextint() - a method that skips whitespace and returns chars up to, but not including whitespace as an int. Leaves last whitespace character in buffer. nextdouble() - a method that skips whitespace and returns chars up to, but not including whitespace as a double. Words - spaces are recognized as a break between words.
