Determines whether a string with multiple parentheses matches correctly (e.g. ([[])) correct, [[(() ERROR]

1  Public BooleanIsMatch (String str) {2Stack stack =NewStack ();3              for(inti = 0; I < str.length (); ++i) {4                 CharCH =Str.charat (i);5                 if(ch = = ' [' | | ch = = ' {' | | ch = = ' ('){6 Stack.push (CH);7}Else if(ch = = '] ' | | ch = = '} ' | | ch = = ') '){8                     if(Stack.isempty ()) {//legality judgment: the "elimination" after the residual back bracket or itself is the beginning of the anti-parenthesis (example: "} ...")9                          return false;Ten                     } One                    Chartop =Stack.peek (); A                    if(ch = = '] && top = = ' [' | | ch = = '} ' && top = = ' {' | | ch = = ') ' && top = = ' (') {//"To eliminate" a pair - Stack.pop (); -                      } the                      Else{ -                        return false; -                      } -                 } +              } -          returnStack.isempty ();//The last time "eliminate" (no more "judgment", so here to judge), whether or not to remain the anti-bracket +}
                                                                                                 

Code Source: http://www.nowcoder.com/questionTerminal/59360c1bd3304fb1892152400af54487

Determines whether a string with multiple parentheses matches correctly (e.g. ([[])) correct, [[(() ERROR]