Question

How to replace a character in StringBuilder with Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        StringBuilder sb = new StringBuilder("Java-programming-in-the-enterprise");
        char ch = '-';
        
        for (int i = 0; i < sb.length(); i++) {
            if (sb.charAt(i) == ch) 
                sb.setCharAt(i, ' ');
        }
        System.out.println(sb);
    }
}



 
/*
 
run:
 
Java programming in the enterprise
 
*/

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Answer 2

public class MyClass {
    public static void main(String args[]) {
        StringBuilder sb = new StringBuilder("Java-programming-in-the-enterprise");
        
        char ch = '-';
        
        String s = sb.toString().replace(ch, ' ');
         
        System.out.println(s);
    }
}



 
/*
 
run:
 
Java programming in the enterprise
 
*/

70+ SQL courses for beginners and professionals

Answer 3

public class MyClass {
    public static void main(String args[]) {
        StringBuilder sb = new StringBuilder("Java-programming-in-the-enterprise");
        
        String ch = "-";
        
        String s = sb.toString().replaceAll(ch, " ");
         
        System.out.println(s);
    }
}



 
/*
 
run:
 
Java programming in the enterprise
 
*/

70+ SQL courses for beginners and professionals