1: public class TernaryTester { 2: public static void main(String[] args) { 3: int x = 5; 4: System.out.println(x > 2 ? x < 4 ? 10 : 8 : 7); 5: }}
❌ A. 5 ❌ B. 4 ❌ C. 10 ✅ D. 8 ❌ E. 7 ❌ F. The code will not compile because of line 4.
Explanation: Although parentheses are not required, they do greatly increase code readability, such as the following equivalent statement: System.out.println((x > 2) ? ((x < 4) ? 10 : 8) : 7) We apply the outside ternary operator first, as it is possible the inner ternary expression may never be evaluated. Since (x>2) is true, this reduces the problem to: System.out.println((x < 4) ? 10 : 8) Since x is greater than 2, the answer is 8
1: public class TernaryTester { 2: public static void main(String[] args) { 3: int x = 5; 4: System.out.println(x > 2 ? x < 4 ? 10 : 8 : 7); 5: }}
❌ A. 5 ❌ B. 4 ❌ C. 10 ✅ D. 8 ❌ E. 7 ❌ F. The code will not compile because of line 4.
Explanation: Although parentheses are not required, they do greatly increase code readability, such as the following equivalent statement: System.out.println((x > 2) ? ((x < 4) ? 10 : 8) : 7) We apply the outside ternary operator first, as it is possible the inner ternary expression may never be evaluated. Since (x>2) is true, this reduces the problem to: System.out.println((x < 4) ? 10 : 8) Since x is greater than 2, the answer is 8
BY Explanations “Top Java Quiz Questions”
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