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Changing the characters through StringBuilder

+3

Author: Atul [Inactive]

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JAVA

java

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public class Program
{
    public static void main(String[] args) {
        StringBuilder ac=new StringBuilder ("hello");
     char c=  ac.charAt(0);
     System.out.println (c);
     ac.setCharAt(0,'d');
     System.out.println (ac);
    }
}

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