下列程序的执行结果是______。 public class Test9 { public static void main(String[] args) { String s1 = new String('I am a girl'); String s2 = new String('I am a girl'); System.out.println (s1.equal (s2)); } }A.trueB.假C.I amgirlD.都不正确
A.out.println
B.equal
C.true
B.假
C.I