Question

How to remove trailing spaces from string in Java

Answer 1

public class MyClass {
    public static String trimEnd(String s) {
        return s.replaceFirst("\\s+$", "");
    }
    public static void main(String args[]) {
        String s = "java   ";
        
        System.out.println(s.length());
        
        s = trimEnd(s);
        
        System.out.println(s.length());
        System.out.println(s);
    }
}



/*
run:

7
4
java

*/

 

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