Array Output 1

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public class JavaRecipe{

     public static void main(String[] jr){
          int[] arr = new int[0]; // Line 1
          System.out.println(arr.length); // Line 2



     }

}

1. Compilation error at Line 1 : size of array cant be 0
2. Compiles fine and gives output as 0
3. Runntime error at line 2 : NullPointerException

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