Java | Functions | Question 7

Predict the output of the following program.

class Test
{
    public void demo(String str)
    {
        String[] arr = str.split(";");
        for (String s : arr)
        {
            System.out.println(s);
        }
    }

    public static void main(String[] args)
    {
        char array[] = {'a', 'b', ' ', 'c', 'd', ';', 'e', 'f', ' ',
                        'g', 'h', ';', 'i', 'j', ' ', 'k', 'l'};
        String str = new String(array);
        Test obj = new Test();
        obj.demo(str);
    }
}

(A)

ab cd
ef gh
ij kl

(B)

ab
cd;ef
gh;ij
kl

(C) Compilation error


Answer: (A)

Explanation:
Class String has a inbuilt parameterized constructor String(character_array) which initializes string ‘str’ with the values stored in character array.
The split() method splits the string based on the given regular expression or delimiter passed it as parameter and returns an array.


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