StringBuffer: charAt(int index) : StringBuffer « java.lang « Java by API

1. Java by API
2. java.lang
3. StringBuffer

StringBuffer: charAt(int index)

  
/*
 * Output:
 * buffer before = Hello
   charAt(1) before = e
 * */
public class MainClass {
  public static void main(String args[]) {
  StringBuffer sb = new StringBuffer("Hello");
  System.out.println("buffer before = " + sb);
  System.out.println("charAt(1) before = " + sb.charAt(1));
  }
}

           
         
    
  

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