1. ► 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"); } } }
2. ► 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 + b); }}
3. ► Which of following is not of integer types?
4. ► 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(); }}
5. ► 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]); } }
6. ► What command should be used to execute main method of class Solution?
7. ► Which statement is true about integer?
8. ► What would be output of following program?
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); }}
9. ► What command is the used to compile java class Solution.java?
10. ► 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); } }
11. ► What will be hex value of integer value 2013?
12. ► Selects correct declaration of array variable?
13. ► Choose correct option about Arrays in java?
14. ► Which statement is/are true about object?
15. ► Which of following can be represented as literal in java?
16. ► Which of following is/are java reserve keywords?
17. ► Which statements are true about following code?
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Class A { int x; } class B extends A { int y; }
18. ► 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]); } }
19. ► What would be output of following program?
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); }}
20. ► Select option(s) which represent output of following program.
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()); } }