Tag: programming languages

"WRITE MASTER-REC INVALID KEY GO TO PARA-ERROR. Indicate which of the following are not valid modes of opening the INDEXED file of which MASTER-REC is a record."

"What do you think the output of the following code snippet will be? 01 WS-NUM-TEST PIC +9(2).99. 01 WS-NUM-TEST2 PIC -9(2).99. MOVE 19.99 TO WS-NUM-TEST MOVE -9.99 TO WS-NUM-TEST2 IF WS-NUM-TEST > WS-NUM-TEST2 DISPLAY ""+VE GREATER THAN -VE"" ELSE DISPLAY ""+VE LESS THAN -VE"" END-IF "

Given: 10. public class Bar { 11.static void foo(int...x) { 12. // insert code here 13. } 14. } Which two code fragments, inserted independently at line 12, will allow the class to compile? (Choose two.)

1. Given: 31. // some code here 32. try { 33. // some code here 34. } catch (SomeException se) { 35. // some code here 36. } finally { 37. // some code here 38. } Under which three circumstances will the code on line 37 be executed? (Choose three.)

Given: 10. interface Foo {} 11. class Alpha implements Foo { } 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main( String[] args) { 15. Beta x = new Beta(); 16. // insert code here 17. } 18. } Which code, inserted at line 16, will cause a java.lang.ClassCastException?

What will be the output of the below code snippet? public class Quiz1{ public static void main(String args[]) { System.out.print("H" + "a"); System.out.print('H' + 'a'); } }

What will be the output of the below code snippet? public class Quiz2 { public static void main(String args[]) { String letters = "ABC"; char[] numbers = { '1', '2', '3' }; System.out.println(letters + " easy as " + numbers); } }

What will be the output of the below code snippet? public class Quiz3 { public static void main(String args[]) { final String pig = "length: 10"; final String dog = "length: " + pig.length(); System.out.println("Animals are equal: " + pig == dog); } }