下列哪个成员方法声明是正确的 ( )

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public protected final int i; abstract class F9 ... private double height; double weight

protected static final super

public protected final iht i； abstract class F9{...} private double height； double weight{}

& # * $

throws throw Throwable Exception

public abstract final int f(){…} public static boolean f(){…} static protected void g(a,{…} protected private number；

public abstract final int f()… public static boolean f()… static protected void g(a,b)… protected private number；

实例变量是类的成员变量实例变量用关键字static声明在方法中定义的局部变量在该方法被执行时创建局部变量在使用前必须被初始化

public abstract final int f(){...} public static boolean f(){...} static protected void g(a, {...} protected private number；

实例变量是类的成员变量实例变量用关键字static声明在方法中定义的局部变量在该方法被执行时创建局部变量在使用前必须被初始化