下面程序的运行结果是()String s1=new String(“abcd”);<br>String s2=”abcd”;<br>String s3=”abcd”;<br>System.out.print(s1==s2);<br>System.out.print(” “+ (s2==s3));<br>System.out.print(” “+ (s1==s3))
A.false false true B.false true false C.false false false D.true true true