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Can an inner class declared inside of a method access local variables of this method?

April 26, 2017class declared inner local method variables

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Can an inner class declared inside of a method access local variables of this method?

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A. It’s possible if these variables are final. Q17. What can go wrong if you replace && with & in the following code: String a=null; if (a!=null && a.length()>10) {…} A. A single ampersand here would lead to a NullPointerException. Q18. What’s the main difference between a Vector and an ArrayList A. Java Vector class is internally synchronized and ArrayList is not.

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A. It’s possible if these variables are final. 49. What can go wrong if you replace && with & in the following code: String a=null; if (a!=null && a.length()>10) {…} A. A single ampersand here would lead to a NullPointerException. 50. What’s the main difference between a Vector and an ArrayList A. Java Vector class is internally synchronized and ArrayList is not.