IB D3.3Define the terms: private, protected, public, extends, static
Accessmodifiers•Accesslevelmodifiersdeterminewhetherotherclassescanuseaparticularfieldorinvokeaparticularmethod.访问级别修饰符决定其他类是否可以使用特定的字段或调用特定的方法。•Aclassmaybedeclaredwiththemodifierpublic,inwhichcasetha