Which are syntactically valid statement at// point x？（） class Person { private int a； public int change（int m）{ return m； } } public class Teacher extends Person { public int b； public static void main（String arg[]）{ Person p = new Person（）； Teacher t = new Teacher（）； int i； // point x } } A、 i = m；B、 i = b；C、 i = p.a；D、 i = p.change（30）；E、 i = t.b.
Which are syntactically valid statement at// point x？（） class Person { private int a； public int change（int m）{ return m； } } public class Teacher extends Person { public int b； public static void main（String arg[]）{ Person p = new Person（）； Teacher t = new Teacher（）； int i； // point x } }
- A、 i = m；
- B、 i = b；
- C、 i = p.a；
- D、 i = p.change（30）；
- E、 i = t.b.
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