class Beta {
public static void main(String [] args) {
Integer x = new Integer(6) * 7;
if (x != 42) {
System.out.print("42 ");
} else if (x.equals(42)) {
System.out.print("dot = ");
} else {
System.out.print("done");
} } }
結(jié)果為:()
A.42
B.done
C.dot =
D.編譯失敗