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

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

Solution

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.