JP Morgan Interview Report
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AnswerWhat would the output of the following snippet?
- Flash May 13, 2017 in Indiapublic class TrickyNum<X extends Number> { private X x; public TrickyNum(X x){ this.x = x; } private double getDouble(){ return x.doubleValue(); } public static void main(String[] args) { TrickyNum<Integer> a = new TrickyNum<Integer>(new Integer(1)); System.out.println(a.getDouble()); } }
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JP Morgan Java Developer Java - 0of 0 votes
AnswersHow many elements will the set object in the below snippet will contain after the program executes to last print statement?
- Flash May 13, 2017 in Indiapublic class ShortSetTest { public static void main(String[] args){ Set shortSet = new HashSet(); for(short i = 0; i < 100; i++){ shortSet.add(i); shortSet.remove(i-1); } System.out.println(shortSet); } }
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JP Morgan Java Developer Java