Java + DSA Assessment — Test 1 | Sapthagiri Assessment Portal

Java + DSA Assessment — Test 1

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1. JDK stands for? Java Debug Kit Java Development Kit Java Deployment Kit Joint Development Kit

2. JRE stands for? Java Resource Engine Java Ready Environment Java Runtime Environment Runtime Java Engine

3. JVM stands for? Java Variable Method Java Virtual Machine Java Verified Machine Joint Virtual Machine

4. Which keyword is used to declare a variable? define int let var

5. Which operator is used for equality check? != = == <=

6. Which loop executes at least once? do-while for foreach while

7. Switch statement works with? Arrays Functions Loops Multiple conditions

8. Which statement is used for decision making? break continue if loop

9. Scanner class is used for? Input Looping Memory Output

10. Which data type stores decimal values? boolean char float int

11. Method is defined using? array class only function block loop

12. Parameter passing happens during? Class loading Compilation Execution end Method call

13. Constructor name must match? Class name File name Method name Package name

14. Default constructor has? No parameters Return type Static keyword Two parameters

15. Access modifier private allows access? Everywhere Inside class Package only Subclass only

16. Scope of local variable? Entire class Inside method JVM Package

17. Wrapper class of int? Character Double Float Integer

18. Stack memory stores? Classes Files Method calls Objects

19. Heap memory stores? Loops Methods Objects Variables

20. Debugging means? Compiling Designing Finding errors Running

21. Output of 2+3? 23 4 5 6

22. Which is not primitive type? boolean float int String

23. Break statement used in? Class Interface Loop Package

24. Continue statement does? End program Restart program Skip iteration Stop loop

25. Return keyword used in? Class Loop Method Switch

26. Which is relational operator? =+ < = &&

27. Logical AND operator? ! && = ||

28. Nested loop means? Class inside loop Loop inside class Loop inside loop Method inside loop

29. Method return type void means? Boolean return Integer return No return String return

30. Compilation converts code to? Binary file Bytecode Object file Text file