Code Handout to accompany Thursday s final exam CSCI 455 F13 Bono String class selected methods char charAt int index Gets the char at position index counting from 0 int length The number of characters in the string String substring int beginIndex int endIndex Returns a new string that is a substring of this string The substring begins at the specified beginIndex and extends to the character at index endIndex 1 String substring int beginIndex Returns a new string that is a substring of this string The substring begins at the specified beginIndex and extends to the end of this string ArrayList ElmtType class selected methods ArrayList Integer arrList new ArrayList Integer create empty arraylist that can hold ints arrList add 3 add a value to the end of the arrList int num arrList get i returns element in in arrList arrList set i 7 update element in arrList int howMany arrList size number of elements in arrList boolean empty arrList isEmpty true iff arrList has no elements Math class selected methods static double floor double a Returns the largest closest to positive infinity double value that is less than or equal to the argument and is equal to a mathematical integer e g Math floor 3 2 3 0 Math floor 3 0 3 0 static double ceil double a Returns the largest closest to positive infinity double value that is greater than or equal to the argument and is equal to a mathematical integer short for ceiling e g Math ceil 3 2 4 0 Math ceil 3 0 3 0 static int min int a int b Returns the smaller of two int values static int max int a int b Returns the greater of two int values C Node type and ListType this is the only part of the code handout with C code struct Node int data Node next Node data 0 next NULL Node int d data d next NULL Node int d Node n data d next n typedef Node ListType
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