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  • getName()、getCanonicalName()、getSimpleName()异同

    package classes;
    
    class Box {
        class Inner {
        }
    }
    
    public class TestGetName {
        public static void main(String[] args) throws Exception {
            System.out.println("Box.class.getCanonicalName(): " + Box.class.getCanonicalName());
            System.out.println("Box.class.getName():          " + Box.class.getName());
            System.out.println("Box.class.getSimpleName():    " + Box.class.getSimpleName());
    
            System.out.println("Box.Inner.class.getCanonicalName(): " + Box.Inner.class.getCanonicalName());
            System.out.println("Box.Inner.class.getName():          " + Box.Inner.class.getName());
            System.out.println("Box.Inner.class.getSimpleName():    " + Box.Inner.class.getSimpleName());
    
            System.out.println("args.getClass().getCanonicalName(): " + args.getClass().getCanonicalName());
            System.out.println("args.getClass().getName():          " + args.getClass().getName());
            System.out.println("args.getClass().getSimpleName():    " + args.getClass().getSimpleName());
        }
    }

    输入结果如下:

    Box.class.getCanonicalName(): classes.Box
    Box.class.getName():              classes.Box
    Box.class.getSimpleName():     Box

    Box.Inner.class.getCanonicalName(): classes.Box.Inner
    Box.Inner.class.getName():              classes.Box$Inner
    Box.Inner.class.getSimpleName():     Inner

    args.getClass().getCanonicalName(): java.lang.String[]
    args.getClass().getName():              [Ljava.lang.String;
    args.getClass().getSimpleName():     String[]

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  • 原文地址:https://www.cnblogs.com/olmlo/p/3145103.html
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