指出下列程序运行的结果()。publicclassExample{Stringstr=newString(̶good”);char[]ch={‘a’,'b’,'c’};publicstaticvoidmain(Stringargs[]){Exampleex=newExample();ex.change(ex.str,ex.ch);System.out.print(ex.str+”and ̶);System.out.print(ex.ch);}publicvoidchange(Stringstr,charch[]){str=”testok”;ch[]=’g';}}
A.goodandabc
B.goodandgbc
C.testokandabc
D.testokandgbc