Java Questions and Answers | Online Quiz for Practice

46. Single line comments starts with _____ in Java.

1. //
2. /* *
3. / *
4. none of these

47. Folllowing is the human readable in Java Programming Language.

1. .class
2. .obj
3. .jar
4. .java

48. Which of the following converts human readable file into platform independent code file in Java?

1. JRE
2. Compiler
3. JVM
4. appletwatcher

49. Platform independent code file created from source file ins understandable by ________.

1. JRE
2. Applet
3. JVM
4. Compiler

50. JVM stands for _____.

1. Java Virtual Memory
2. Java Virtual Mechanism
3. Java Virtual Management
4. Java Virtual Machine

51. JRE stands for _____.

1. Java Reply Engine
2. Java Runtime Engine
3. Java Running Engine
4. Java Runtime Environment

52. Which of the following is considered as platform independent code?

1. Source Code
2. Compiled code

53. Java is called as platform independent language. Do you agree with this statement?

1. Yes
2. No

54. We can run same java program on different environment with same JDK version.

1. true
2. false

55. Java has ______ primtive types of data.

1. 9
2. 8
3. 6
4. 7

56. Which of the following is smallest integer data type?

1. Bytecode
2. int
3. short
4. long

57. Which of the following is not a primitive data type?

1. Internet Explorer
2. enum
3. short
4. byte

58. Integer Data type does not include following primitive data type.

1. long
2. double
3. short
4. byte

59. Which of the following data types comes under floating data types: 1.Float 2.Int 3.Double 4.Byte 5.Long

1. 1 and 2
2. 1 and 3
3. 2 and 3
4. 4 and 5

60. Character data type cannot store following value.

1. Special character
2. string
3. letter
4. digit