append() method in JAVA

1. The StringBuffer class in Java is a dynamic string array.
2. The StringBuffer class contains the append() method. The append() method is equivalent to “+”, which appends the specified string to this character sequence.
3. The string appended by StringBuffer.append() is at the same memory address.

public class Test{
  public static void main(String args[]){
    StringBuffer sBuffer = new StringBuffer("aaa");
Running result: aaabbbcccddd

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