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How to remove characters that are included in second string from the first string in Java

2 Answers

0 votes
public class MyClass { 
    static String remove_chars(String s, String chars) { 
        int i = 0, internal_i = 0, len = s.length(); 
        char arr[] = s.toCharArray(); 
        
        while (i != len) { 
            char ch = arr[i]; 

            if (chars.indexOf(ch) == -1) { 
                arr[internal_i] = arr[i]; 
                
                internal_i++; 
            }
            i++; 
        }  
        s = new String(arr); 
        
        return s.substring(0, internal_i); 
    } 
      
    public static void main(String args[]) {
        String first = "java programming language"; 
        String second = "rog"; 
        
        System.out.println(remove_chars(first, second)); 
    } 
} 


/*
run:

java pammin lanuae

*/

 




answered Feb 3 by avibootz
edited Feb 4 by avibootz
0 votes
public class MyClass {
    public static void main(String args[]) {
        String first = "java programming language"; 
        String second = "rog"; 
        
        String common = first.replaceAll("[" + second + "]", "");
		common = common + second.replaceAll("[" + first + "]", "");
		System.out.println(common);
    }
}
 
 
/*
run:
 
java pammin lanuae

*/

 




answered Feb 7 by avibootz
...