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    Java: primitive type 可以为 null

    July 22, 2013 less than 1 minute read

    Boolean b = null; 
    boolean b2 = b;
    
    System.out.println(b2); // null
    

    所以不要以为 boolean 是非黑即白;int/Integer 等 primitive type 同理

    Categories: Java

    Updated: July 22, 2013

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