第12題 SampleCode

Drag and Drop（拖曳題
）
Add methods to the Beta class to make it compile correctly.


Methods

class Alpha{
public void bar(int... x){}
public void bar(int x){}
}
public class Beta extends Alpha{
Place here
Place here
Place here
}
private void bar(int x){}
public void bar(int x){}
public int bar(String x){return 1;}
public Alpha bar(int x){}
public void bar(int x, int y){}
public int bar(int x){return x;}
答案：

class Alpha{
public void bar(int... x){}
public void bar(int x){}

}

public class Beta extends Alpha{

public void bar(int x){}
public int bar(String x){return 1;}
public void bar(int x, int y){}

}

class test12{

class Alpha{
public void bar(int... x){}
public void bar(int x){}
}

public class Beta extends Alpha{

public void bar(int x){}
public int bar(String x){return 1;}
public void bar(int x, int y){}
}
}

ANS:
public void bar(int x){}
public int bar(String x){return 1;}
public void bar(int x, int y){}