1. |
When does method overloading is determined?
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Answer:
Option (b) |
2. |
When Overloading does not occur?
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Answer:
Option (d) |
3. |
What will be the output of the following Java code?
class average { public static void main(String args[]) { double num[] = {5.5, 10.1, 11, 12.8, 56.9, 2.5}; double result; result = 0; for (int i = 0; i < 6; ++i) result = result + num[i]; System.out.print(result/6); } }
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Answer:
Option (c) |
4. |
What will be the output of the following Java program?
class array_output { public static void main(String args[]) { char array_variable [] = new char[10]; for (int i = 0; i < 10; ++i) { array_variable[i] = 'i'; System.out.print(array_variable[i] + "" ); i++; } } }
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Answer:
Option (a) |
5. |
What will be the output of the following Java program?
class evaluate { public static void main(String args[]) { int a[] = {1,2,3,4,5}; int d[] = a; int sum = 0; for (int j = 0; j < 3; ++j) sum += (a[j] * d[j + 1]) + (a[j + 1] * d[j]); System.out.println(sum); } }
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Answer:
Option (c) |
6. |
What will be the output of the following Java program?
class array_output { public static void main(String args[]) { int array_variable [] = new int[10]; for (int i = 0; i < 10; ++i) { array_variable[i] = i/2; array_variable[i]++; System.out.print(array_variable[i] + " "); i++; } } }
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Answer:
Option (b) |
7. |
What will be the output of the following Java program, if we run as “java main_arguments 1 2 3”?
class main_arguments { public static void main(String [] args) { String [][] argument = new String[2][2]; int x; argument[0] = args; x = argument[0].length; for (int y = 0; y < x; y++) System.out.print(" " + argument[0][y]); } }
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Answer:
Option (d) |
8. |
Which will legally declare, construct, and initialize an array?
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Answer:
Option (d) |
9. |
Which three are legal array declarations?
1. int [] myScores []; 2. char [] myChars; 3. int [6] myScores; 4. Dog myDogs []; 5. Dog myDogs [7];
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Answer:
Option (a) |
10. |
Which one of the following will declare an array and initialize it with five numbers?
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Answer:
Option (b) |