Which of these is necessary to specify at time of array initialization?

Which of these can be overloaded?

What will be the output of the following Java program ?

class comma_operator  {

public static void main(String args[])  {

int sum = 0;

for (int i = 0, j = 0; i < 5 & j < 5; ++i, j = i + 1)

sum += i;

System.out.println(sum);

  }

}

Which of these method of String class is used to obtain character at specified index?

Which of these operators is used to allocate memory to array variable in Java?

Which of these selection statements test only for equality?

Which function is used to perform some action when the object is to be destroyed?

Which of these are selection statements in Java?

What is the range of short data type in Java?

With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?

1. x++;

2. x = x + 1;

3. x += 1;

4. x =+ 1;