Dump out the current call stack onto System.err. Dump out the current call stack. Compares two arrays of Strings for equality. Locates a String in an array of Strings. Locates a String in an array of Strings, ignoring case.
Test is a number is odd.
Parse an integer, returning a default value on errors. Sorts an array of Strings. Returns the length of the initial segment of str which consists entirely of characters from charSet, starting at the given index. Run a program on the host system. Returns a string approximately describing a given time interval.