To replace a character at a specified position : String replace « Data Type « Java

1. Java
2. Data Type
3. String replace

To replace a character at a specified position

    
public class Main {
  public static void main(String args[]) {
     String str = "this is a test";
     System.out.println(replaceCharAt(str, 5, 'c'));
  }

  public static String replaceCharAt(String s, int pos, char c) {
    return s.substring(0, pos) + c + s.substring(pos + 1);
  }
}
//this cs a test

   
    
    
    
  

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