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Core Java - Interview Questions and Answers for '.equals' - 3 question(s) found - Order By Newest | ||||
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Ans. true, due to String Pool, both will point to a same String object. | ||||
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Ans. x==y means that both references have same type and are pointing to same memory location and hence would always mean that they have same value. x.equals(y) is not required in this case. | ||||
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![]() Integer x = 1; Integer y = 2; System.out.println(x == y); What if you change 1 to "1" and Integer to String? | ||||
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Ans. if x==y turns out to be true x.equals(y) will be true too. If x.equals(y) could be true even if x==y is true or not. So the only possible outcomes are 1 || 1 = 1 0 || 1 = 1 0 || 0 = 0 i.e the outcome of x.equals(y) check for x==y is not required in this if statement. | ||||
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![]() Integer x = 1; Integer y = 2; System.out.println(x == y); What if you change 1 to "1" and Integer to String? | ||||