append public class Main { public static void main(String[] args) { // append StringBuffer sb = new StringBuffer(); sb.append("hello"); sb.append(" "); sb.append("Jump to Java"); String result = sb.toString(); System.out.println(result); } } ** public class Main { public static void main(String[] args) { String result = ""; result += "hello"; result += " "; result += "jump to java"; System.out.p..
