Java Programming

Question 1

A Simple, object-oriented, network savvy, robust, secure, portable, multithreaded,, dynamic language.

Answer 1

Java

Question 2

Who created the java programming language?

Answer 2

James Gosling- 1995

Question 3

Simplifying the task of java programming

Answer 3

Simple

Question 4

What are the 8 characteristics of java programming?

Answer 4

Simple, object oriented, network savvy, interpreted, robust, architecture neutral, multithreaded, dynamic language

Question 5

Designed to support applications on network.

Answer 5

Architecture neutral

Question 6

Early checking for possible problems, later dynamic checking, and eliminating situations that are error prone.

Answer 6

robust

Question 7

Design to adapt to an evolving environment

Answer 7

dynamic language

Question 8

Advantages of Java programming

Answer 8

faster development, increased quality, increased software reuse, easy maintenance

Question 9

Class

Answer 9

blueprint, has new data types

Question 10

What are the Java classes?

Answer 10

Data members, methods (instance), accessor

Question 11

Technique that focus designs on the data and on the interfaces of it.
-facilitates the clean definition of interface.

Answer 11

object-oriented

Question 12

Java compiler generates byte code instead of native machine code

Answer 12

interpreted

Question 13

Necessary information that the JVM needs to run

Answer 13

Byte code class file

Question 14

Eliminates the possibility of over writing memory and corrupting data.

Answer 14

pointing model

Question 15

Way of building applications with multiple threads.

Answer 15

multithreading

Question 16

Compiler vs. VM

Answer 16

compiler- source code-compiler-binary file
vm- source code-java compiler, byte code, JVM

Question 17

4 features of Java programming

Answer 17

COMMENTS, IDENTIFIER, DATA TYPES, OPERATORS

Question 18

3 types of comments

Answer 18

DOUBLE SLASHES, C-STYLE, DOC COMMENTS

Question 19

What are the data types?

Answer 19

INTEGER, FLOATING POINT, BOOLEAN, CHARACTER, STRING , ARRAY

Question 20

What are the operators?

Answer 20

BINARY, RELATIONAL, BITWISE, TERNARY, ASSIGNMENT, STRING CONCATENATION, INCREMENENT AND DECREMENT

Question 21

Placed in source file to describe what is happening in the code to someone who might be reading the file.

Answer 21

COMMENTS

Question 22

To enclose one or more lines to be treated as text.

Answer 22

C-STYLE COMMENTS

Question 23

text strings that represents as variables, methods, classes or labels.

Answer 23

IDENTIFIER

Question 24

to enclose lines of text for the javadoc to find
- to generate API documentation

Answer 24

DOC COMMENTS

Question 25

identifiers can not be:

Answer 25

STARTING WITH A DIGIT AND SAME AS A RESERVE WORD

Question 26

tell the compiler to treat everything from the slashes to the end of the line as text.

Answer 26

DOUBLE SLASHES

Question 27

What are the relational operators?

Answer 27

<, >, =, !=

Question 28

What are the bitwise or logical operators?

Answer 28

&&, ||, !

Question 29

What are the binary operators?

Answer 29

+, -, /, *,%