java新人求助
class AA {
public int i;
protected int j;
private int k;

public void haha(int k) {
this.k = k;

}

}
class BB extends AA {

}
class CC extends BB {
System.out.println("hha"); //error out后的点和括号
//System.out.printf("%d %d", i, j);
}
你在类里直接写执行语句啊