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三元表达法解决

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TOM Tom

#1 Created at ... [Delete] [Delete and Lock User]

boolean isPrimaryStudent=(age>=6 & age<=12)? true:false;

奇怪的是我仅仅输入一个&，编译照样没错。JS 应该就是一个&

起床了

#2 Created at ... [Delete] [Delete and Lock User]

& 是按位与运算 即 true & true 即 1& 1 即 1

🌙

#3 Created at ... [Delete] [Delete and Lock User]

好像true是1 false 是 0

1905

#4 Created at ... [Delete] [Delete and Lock User]

这里用三元表达式很多余

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