String In Java

StringBuffer class creates a dynamic character string.

public class StringBufferDemo {

    public static void main(String[] args) {
   
        StringBuffer strBuf1 = new StringBuffer("Prashant");
       
        StringBuffer strBuf2 = new StringBuffer(100); //With capacity 100
       
        StringBuffer strBuf3 = new StringBuffer(); //Default Capacity 16
       
        System.out.println("strBuf1 : " + strBuf1);
       
        System.out.println("strBuf2 capacity : " + strBuf2.capacity());
       
        System.out.println("strBuf3 capacity : " + strBuf3.capacity());
    }
}