JAVA Array
What is the result of compiling and running the following code?public class Test{ public static void main(String[] args){ int[] a = new int[0]; System.out.print(a.length); }}

None of these
0
Compilation error, it is a.length() not a.length
Compilation error, arrays cannot be initialized to zero size.

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JAVA Array
What will be the output?public class Test{ public static void main(String[] args){ int[] x = new int[3]; System.out.println("x[0] is " + x[0]); }}

The program has a runtime error because the array element x[0] is not defined.
The program has a compile error because the size of the array wasn't specified when declaring the array.
The program has a runtime error because the array elements are not initialized.
The program runs fine and displays x[0] is 0.

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JAVA Array
What would be the result of attempting to compile and run the following code?public class HelloWorld{ public static void main(String[] args){ double[] x = new double[]{1, 2, 3}; System.out.println("Value is " + x[1]); }}

The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[3]{1, 2, 3};
The program compiles and runs fine and the output
The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by new double[]{1.0, 2.0, 3.0};
The program has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}.

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