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How to split a string into an array by number of chars in Java

1 Answer

0 votes
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class MyClass {
     private static String[] split_to_array(String s, int size) {
        List<String> parts = new ArrayList<>();
    
        int len = s.length();
        for (int i = 0; i < len; i += size) {
            parts.add(s.substring(i, Math.min(len, i + size)));
            //substring(int beginIndex, int endIndex)
        }
        return parts.toArray(new String[0]);
    }
    public static void main(String args[]) {
        String s = "java c c++ c# php python";

        String[] arr = split_to_array(s, 4);
        
        System.out.println(Arrays.toString(arr));
    }
}



/*
run:

[java,  c c, ++ c, # ph, p py, thon]

*/

 





answered Nov 23, 2019 by avibootz

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