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[All Quizzes] → [Programming With Java] → [Language Fundamentals]


1. ► What command should be used to execute main method of class Solution?


  



 
					

				

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			2. ► Which reserve keyword in java is not currently in use?

			
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			3. ► Which of following is not a legal identifier in java?

			
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			4. ► Which statement(s) are true about following program?

				

					

						

  
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class MyException extends Exception {
    MyException() {
    } MyException(String s) {
        super(s);
    }
}

public class FunDo {
    static void throwException() throws MyException {
        throw new MyException();
    } public static void main(String[]args) {
        try {
            throwException();
        } catch(RuntimeException r) {
            System.out.println("RuntimeException:" + r);
        } catch(MyException exp) {
            System.out.println("MyException");
        }
    }
}



 
					

				

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			5. ► Selects correct declaration of array variable?

			
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			6. ► What is the command to check version of installed java?

			
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			7. ► What would be output of following program?

				

					

						

  
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public class SolArray {
    public static void main(String[]args) {
        int array1[] = { 1, 2 };

        int array2[] = array1;

        System.out.println(array1[0] == array2[0]
                           && array1[1] == array2[1]);
    }
}



 
					

				

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			8. ► What would be output of following program?

				

					

						

  
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class Solution {
    public static void main(String[]args) {
        int[] array = new int[101];
        for (int i = 0; i < array.length; i++)
             array[i] = i;
        int sum = 0;
        for (int x:array)
             sum += x;
         System.out.println(sum);
}}



 
					

				

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			9. ► Which of following is not of integer types?

			
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			10. ► What would be output of following program?

				

					

						

  
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public class FunDo {
    public static void main(String[]args) {
        int i = 2;
        int j = (i = 3) * i;
         System.out.println(j);
}}



 
					

				

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			11. ► Java is strongly typed language, true or false?

			
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			12. ► Which of following can be represented as literal in java?

			
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			13. ► What would be output of following program?

				

					

						

  
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public class FunOp {
    public static void main(String[]args) {
        int x = 3, y = 5;
        int a = x + y - x / y + 2;
        int b = (x + y) - x / (y + 2);
         System.out.println("a=" + a + " " + "b=" + b);
}}



 
					

				

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			14. ► What would be output of following program?

				

					

						

  
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public class SolArray {
    public static void main(String[]args) {
        int array[][] = { {1, 2}, null };

      for (int[]arr:array)
          for (int x:arr)
                System.out.println(x);
    }
}



 
					

				

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			15. ► Choose correct option about Arrays in java?

			
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			16. ► What would be output of following program

				

					

						

  
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public class SolArray {
    public static void main(String[]args) {
        int array1[] = { 1, 2 };

        int array2[] = array1;

        System.out.print((array1 == array2) + " ");
        array1[1]++;
        System.out.println(array2[1]);
    }
}



 
					

				

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			17. ► What would be output of following program?

				

					

						

  
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public class FunDo {
    public static void main(String[]args) {
        int x = 9;
         x += (x = 3);
         System.out.print(x);
        int y = 9;
         y = y + (y = 3);
         System.out.print(" ");
         System.out.println(y);
}}



 
					

				

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			18. ► Select option(s) which represent output of following program.

				

					

						

  
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public class SolArray {
    public static void main(String[]args) {
        int array1[] = { 1, 2 };

        int array2[] = array1;

        System.out.println(array1.getClass());
        System.out.println(array1.getClass().getSuperclass());

    }
}



 
					

				

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			19. ► Select the true statement about given code ?

				

					

						

  
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class Solution {
    public static void main(String[]args) {
        for (int i = 0; i < args.length; i++)
            System.out.print(i == 0 ? args[i] : " " + args[i]);
        System.out.println();
}}



 
					

				

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			20. ► Which statement(s) is true about java?

			
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