StringBuilder: insert(int offset, String str) : StringBuilder « java.lang « Java by API






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

StringBuilder: insert(int offset, String str)

 

public class Main {
  public static void main(String[] a) {
    StringBuilder builder = new StringBuilder("Line 1\n");

    builder.append("Line 3\n");

    String lineToInsert = "Line 2\n";
    
    builder.insert(0, lineToInsert);

    System.out.println(builder.toString());

  }
}
/*
Line 2
Line 1
Line 3

*/








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