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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.  
  11. public static String[] splitFormula(String formula) {
  12. return formula.split("\\(|\\)|\\s"); // split by opening-parenthese or closing-parentheses or whitespace
  13. }
  14.  
  15. public static void main (String[] args) throws java.lang.Exception
  16. {
  17. String[] numbersAndOperands = splitFormula("(1 + 4) * (1 - 0)");
  18.  
  19. assert numbersAndOperands == new String[] {"1", "+", "4", "*", "1", "-", "0"};
  20. }
  21. }
Success #stdin #stdout 0.07s 33644KB
stdin
Standard input is empty
stdout
Standard output is empty