length() | returns length of string object | String variable = "physics"; variable.length() returns 7 |
toLowerCase() | all characters in string object converted to lower case | String variable = "PHYSICS"; variable.toLowerCase() returns "physics" |
toUpperCase() | all characters converted to upper case | String variable = "physics"; variable.toLowerCase() returns "PHYSICS" |
trim() | leading and trailing blank space removed | String variable = " stp "; variable.trim() returns "stp" |
charAt(Position) | returns character in string at the Position. Positions are 0, 1,2, ... | String variable = "physics"; variable.charAt(0) returns "p" |
substring(Start) | returns substring starting from Start to end of string object | String example = "abcdef"; example.substring(2) returns "cdef" |
substring(Start,End) | returns substring from position Start up to, but not including, End of string object. | String example = "abcdef"; example.substring(2,4) returns "cde" |
Please send comments and corrections to Jan Tobochnik, jant@kzoo.edu or Harvey Gould, hgould@physics.clarku.edu.
Updated 7 January 2000.