运行下列代码，输出为false的是：（)。A. String st1 = "abc";System.out.println（&quo

运行下列代码，输出为false的是：()。

A. String st1 = "abc";

System.out.println("abc" == st1);

B. String st2 = "abc";

System.out.println(st2.equals(new String("abc")));

C. Integer i = 100;

System.out.println(100 == i);

D. ArrayList list = new ArrayList();

System.out.println(list.contains(null));