JAVA Array
Determine output:public class Test{ public static void main(String[] args){ int[] x = {1, 2, 3, 4}; int[] y = x; x = new int[2]; for(int i = 0; i < x.length; i++) System.out.print(y[i] + " "); }}

None of these
1 2 3 4
0 0 0 0
1 2
0 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 has a compile error because the syntax new double[]{1, 2, 3} is wrong and it should be replaced by {1, 2, 3}.
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 compiles and runs fine and the output

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JAVA Array
Analyze the following code and choose the correct answer.int[] arr = new int[5];arr = new int[6];

The code can compile and run fine. The second line assigns a new array to arr.
The code has runtime errors because the variable arr cannot be changed once it is assigned.
The code has compile errors because the variable arr cannot be changed once it is assigned.
The code has compile errors because we cannot assign a different size array to arr.

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

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