多项选择题
Given: Which four code fragments, inserted independently at line 7, will compile? （）
A.public void m1() { } B.protected void m1() { } C.private void m1() { } D.void m2() { } E.public void m2() { } F.protected void m2() { } G.private void m2() { }
单项选择题 Given: Which statement is true about the class of an object that can reference the variable base? （）
单项选择题 Given: What is the result?（）
多项选择题 Given: Which two, independently, will allow Sub to compile?（）
