Class的isAssignableFrom方法定义如下:public native boolean public native boolean isAssignableFrom(Class<?> cls); 由方法签名可见是一个本地

A is assignable to BA是B的子类A is assignable from BA是 isAssignableFrom()方法是从类继承的角度去判断,判断是否为某个类的父类。 instanceof(

class.isAssignableFrom(Object.class)); } public void testIsAssignedFrom2() { System.out.println(Object.class.isAssignableFrom(Object.class))

Missing from the current ballot DTD is an attribute to indicate the maximum number of ranks that are assignable— I will show you how to add this shor

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