Java tutorial
public class Main { public static void main(String[] args) { boolean b = true; StringBuffer sb1 = new StringBuffer(); sb1.append(b); System.out.println(sb1); char c = 'Y'; sb1.append(c); System.out.println(sb1); char[] c1 = new char[] { 'Y', 'e', 's' }; sb1.append(c1); System.out.println(sb1); double d = 1.0; sb1.append(d); System.out.println(sb1); float f = 1.0f; sb1.append(f); System.out.println(sb1); int i = 1; sb1.append(i); System.out.println(sb1); long l = 1; sb1.append(l); System.out.println(sb1); Object obj = new String("Yes"); sb1.append(obj); System.out.println(sb1); String str = new String("Yes"); sb1.append(str); System.out.println(sb1); } }