Store the value of split in String[] array without using String.split()

Question

I want to convert below code to store the split string in string array without using String.split() because i am working on legacy java 1.2 in our production environment

String strings ="1,2,3,4;5,6,7,8";
String[] output= strings.split(";");

How to achieve this?

Answer 1

Use StringTokenizer , the javadoc it has been around since version 1.

Just do

StringTokenizer strTokenizer = new StringTokenizer("1,2,3,4;5,6,7,8", ";");

and iterate while strTokenizer.hasMoreElements() .

Answer 2

You have to use StringTokenizer since StringTokenizer available since JDK 1.0 . You better to change your JDK in production too.

StringTokenizer stringTokenizer=new StringTokenizer("1,2,3,4;5,6,7,8",",;");
String[] arr=new String[stringTokenizer.countTokens()];
int i=0;
while (stringTokenizer.hasMoreTokens()){
   arr[i]=stringTokenizer.nextToken();
   i++;
}

Answer 3

    String strings ="1,2,3,4;5,6,7,8";
    StringTokenizer tok = new StringTokenizer(strings, ";,");
    String[] coordinates = new String[tok.countTokens()];

    int j = 0;
    while (tok.hasMoreTokens()) {
        coordinates[j++] = tok.nextToken();
    }

    System.out.println(Arrays.toString(coordinates));

[1, 2, 3, 4, 5, 6, 7, 8]

You can specify the delimiters. If you only ; for instance.

Answer 4

Not familiar with 1.2 limitations... you may do it manually: first, count the ';' occurences so you can create your coordinates array, then use available String methods to go through your original string and concatenate the result and stop every ';'

Answer 5

You can use the Scanner class for the same purpose.

  String s="1,2,3,4;5,6,7,8";
  Scanner sc=new Scanner(s).useDelimiter(";");
while(sc.hasNext())
 {
  System.out.println(sc.next());
 }