Question

How to remove substring between first and last space in a string with Java

Answer 1

public class MyClass {
    public static String remove_substring_between_spaces(String str) {
        int beginIndex = str.indexOf(' ');
  
        int endIndex = str.lastIndexOf(' ');
  
        String substring = str.substring(beginIndex, endIndex);
  
        return str.replace(substring, "");
    }
  
    public static void main(String[] args)
    {
        String str = "Java SE (March 2023) 20 / 21";
  
        System.out.println(remove_substring_between_spaces(str));
    }
}
 
 
 
 
/*
run:
 
Java 21
 
*/

 

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