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package info.goyun;
public class StringBuilderDemo {
public static void main(String[] args) {
StringBuilder str = new StringBuilder("");
System.out.println("string = " + str);
// insert character value at offset 2
str.insert(2, "Yun");
// prints StringBuilder after insertion
System.out.print("After insertion = ");
//output: After insertion = GoYun.inf
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