Question

How to split a string into fixed length chunks in Java

Answer 1

import java.util.Arrays;

public class MyClass {
    public static void main(String args[]) {
        String str = "java c++ c python c#";
        int length = 5;
 
        String[] chunks = str.split("(?<=\\G.{" + length + "})");
        
        System.out.println(Arrays.toString(chunks));
    }
}




/*
run:

[java , c++ c,  pyth, on c#]

*/

 

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Answer 2

import java.util.List;
import java.util.ArrayList;
 
public class MyClass {
    public static void main(String args[]) {
        String str = "java c++ c python c#";
        int len = 5;
        
        List<String> chunks = new ArrayList<>();
 
        for (int start = 0; start < str.length(); start += len) {
            chunks.add(str.substring(start, Math.min(str.length(), start + len)));
        }
 
        System.out.println(chunks);
    }
}
 
 
 
 
/*
run:
 
[java , c++ c,  pyth, on c#]
 
*/

 

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