String str1, str2, str3, str4; str1 = "one"; str2 = str1; str1 = str1 + "two"; System.out.println(str1 + " : " + str2); str1 = "number" + 8; str2 = 8 + "number"; str3 = "number" + 1 + 2; str4 = 1 + 2 + "number"; System.out.println(str1 + '\n' + str2 + '\n' + str3 + '\n' + str4); char ch = 'A' + 'B' + 'C'; System.out.println("character ch is " + ch);