Java – StringBuilder setCharAt() Example, StringBuilder setCharAt() program

Stringbuilder character can be added with the help of setCharAt() method in java. setCharAt() function set new character at particular index to character sequence with of the new String. Use of String setCharAt() in java is shown below.

Example of StringBuilder setCharAt() in java, JSP

public class StringBuilderSetCharAtExample {

    public static void main(String[] args) {

        StringBuilder sb = new StringBuilder();

        sb.append("Java tringbuilder");

        sb.setCharAt(5, 'S');

        System.out.println("StringBuilder :"+sb);
    }
}

Output

StringBuilder :Java Sringbuilder

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