[Solved] I want to extract strings from a line

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Don’t use StringTokenizer:

StringTokenizer is a legacy class that is retained for compatibility reasons although its use is discouraged in new code. It is recommended that anyone seeking this functionality use the split method of String or the java.util.regex package instead.

You can use split() if you split on 2 or more spaces: split(" {2,}")

Demo

String input = "Name                                     Age                   Working Experience          Position                     \n" +
               "John                                     23                    10                          Team Leader                          \n" +
               "Christian Elverdam                       27                    7                           Director                    \n" +
               "Niels Bye Nielsen                        59                    16                          Composer\n" +
               "Rajkumar Hirani                          40                    23                          Director               \n" +
               "Vidhu Vinod Chopra                      58                    21                          Screenplay\n";

List<String[]> rows = new ArrayList<>();
try (BufferedReader in = new BufferedReader(new StringReader(input))) {
    in.readLine(); // skip header line
    for (String line; (line = in.readLine()) != null; ) {
        rows.add(line.split(" {2,}"));
    }
}
for (String[] row : rows)
    System.out.println(Arrays.toString(row));

Output

[John, 23, 10, Team Leader]
[Christian Elverdam, 27, 7, Director]
[Niels Bye Nielsen, 59, 16, Composer]
[Rajkumar Hirani, 40, 23, Director]
[Vidhu Vinod Chopra, 58, 21, Screenplay]

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solved I want to extract strings from a line