52). Which of these is long data type literal?

[A]0x99fffL
[B]ABCDEFG
[C]0x99fffa
[D]99671246

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53). Which of these can be returned by the operator &?

[A]Integer
[B]Boolean
[C]Character
[D]Integer or Boolean

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56). Which of these can not be used for a variable name in Java?

[A]identifier
[B]keyword
[C]identifier & keyword
[D]none of the mentioned

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57). What will be the output of the following Java program?
    class evaluate 
    {
        public static void main(String args[]) 
        {
            int a[] = {1,2,3,4,5};
	    int d[] = a;
	    int sum = 0;
	    for (int j = 0; j < 3; ++j)
                sum += (a[j] * d[j + 1]) + (a[j + 1] * d[j]);
	    System.out.println(sum);
        } 
    }

[A]38
[B]39
[C]40
[D]41

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58). What will be the output of the following Java program?
    class array_output 
    {
        public static void main(String args[]) 
        {
       	    int array_variable [] = new int[10];
	    for (int i = 0; i < 10; ++i) {
                array_variable[i] = i/2;
                array_variable[i]++;
                System.out.print(array_variable[i] + " ");
                i++;
            }
 
        } 
    }

[A]0 2 4 6 8
[B]1 2 3 4 5
[C]0 1 2 3 4 5 6 7 8 9
[D]1 2 3 4 5 6 7 8 9 10

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59). What will be the output of the following Java program?
    class variable_scope 
    {
        public static void main(String args[]) 
        {
            int x;
            x = 5;
            {
	        int y = 6;
	        System.out.print(x + " " + y);
            }
            System.out.println(x + " " + y);
        } 
    }

[A]5 6 5 6
[B] 5 6 5
[C]Runtime error
[D]Compilation error

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60). Which of these is an incorrect string literal?
    class variable_scope 
    {
        public static void main(String args[]) 
        {
            int x;
            x = 5;
            {
	        int y = 6;
	        System.out.print(x + " " + y);
            }
            System.out.println(x + " " + y);
        } 
    }

[A]“Hello World”
[B]“Hello\nWorld”
[C]“\”Hello World\””
[D]"Hello world"

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61). What will be the output of the following Java program?
    class dynamic_initialization 
    {
        public static void main(String args[]) 
        {
            double a, b;
            a = 3.0;
            b = 4.0;
	    double c = Math.sqrt(a * a + b * b);
	    System.out.println(c);
        } 
    }

[A] 5.0
[B] 25.0
[C]7.0
[D]Compilation Error

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