void (Boolean bool, Character c, Byte b, Short s, Integer i, Long l, Float f, Double d, Object obj) { System.out.println(bool.booleanValue()); System.out.println(c.charValue()); System.out.println(b.byteValue()); System.out.println(s.shortValue()); System.out.println(i.intValue()); System.out.println(l.longValue()); System.out.println(f.floatValue()); System.out.println(d.doubleValue()); if (obj instanceof Boolean) { System.out.println("Boolean: " + ((Boolean) obj).booleanValue()); } else if (obj instanceof Character) { System.out.println("Character: " + ((Character) obj).charValue()); } else if (obj instanceof Byte) { System.out.println("Byte: " + ((Byte) obj).byteValue()); } else if (obj instanceof Short) { System.out.println("Short: " + ((Short) obj).shortValue()); } else if (obj instanceof Integer) { System.out.println("Integer: " + ((Integer) obj).intValue()); } else if (obj instanceof Long) { System.out.println("Long: " + ((Long) obj).longValue()); } else if (obj instanceof Float) { System.out.println("Float: " + ((Float) obj).floatValue()); } else if (obj instanceof Double) { System.out.println("Double: " + ((Double) obj).doubleValue()); } }