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What will be the value of x 10 after the following code has been executed? What

ID: 3925542 • Letter: W

Question

What will be the value of x 10 after the following code has been executed? What will be the results of the following code? All the values in the array are initialized to 10 0 All the values, except the first, are set to 10 0 An error will occur when the program runs. There will be a compilation error If numbers is a two-dimensional array, which of the following would give the length of row numbers [r]. length numbers [r].length[r] numbers, length [r] numbers, length What is the value of scores [2][13] in the following array? When a method's return type is a class, what is actually returned to the calling program? An object of that class A reference to an object of that class Only the values in the object that the method accessed Nothing, the return type is strictly for documentation in this situation

Explanation / Answer

1)

Answer is c ie 180.

As already the values are predefined in the question explanation is not required.

2)

Answer is D ie there will be a compile time error.

Because the float data type defined is not a valid type required is double, and also in the second line there is an error in the declaration of the expression.

3)

Answer is D ie numbers.length.

ArrayName.length is the predefined method used for getting the length of a 2D array.

4)

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5)

Answer is B (A reference to an object of the class) ie returning Objects from Methods.

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