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Java Netbeans IDE Function

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143 Terms

1

Java Netbeans IDE Function

Prepares the environment for developing java applications

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2

IDE Full form

Integrated Development Environment

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3

Java Netbeans

Platform to write Java code and applications (Version 7 ngayon)

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4

What does java develop?

Desktop applications, client-server applications, mobile phone applications, games

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5

Java major advantage

Platform independent

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Java’s own runtime environment

Java Virtual Machine (JVM)

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7

Current owner of java

Sun Microsystems

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What to download?

Java Virtual Machine (JVM) and Java Development Kit (JDK)

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9

Java code to write & extension

Source code wiith .java extension

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10

What compiled the source code?

Another program called Javac that turns it into a Java byte code with .class extension (there should be no present errors)

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11

File that Java Virtual Machine runs

Class file

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12

Java Comments

Grayed out areas with forward slashes (// for single line comments; /* */ for multiline comments and asterisks that the compiler ignores

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13

Javadoc comments

Starts with /** ends with */ to document the code (converted to HTML)

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14

Java is case sensitive

True

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15

Java code instructions end with a

Semicolon (;)

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16

public class MyFirstProgram { }

Class segment notes the starting and ending of a java class segment code

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17

Public static void main(String[] args){ }

Method

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18

Public in “public static void main(String[] args){

the code can be accessed outside the class without creating new objects

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19

Void in “public static void main(String[] args){

This part of the code does not return any value

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20

Main in “public static void main(String[] args){

Denotes starting point of the java program

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21

IntelliSense

NetBeans tries to display a list of available options after “.”

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22

.Jar file (java archive) function

Cleans and builds your project with all necessary files for export if the program needs to be shared; will be put in a dist folder

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23

Data

can be text, numbers, pointers, objects or some specified memory location

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How is data accessed

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Concatenation

Joining together direct text and a variable

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26

You cannot start with a number for a variable name

True

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You cannot have the same variable name with a keyword

True

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28

Variable names can have a space

False

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29

Variable names are not case sensitive

False

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30

Java minimum and maximum value for numbers

+-2147483647 (use double to get a bigger/smaller number)

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31

Operator Precedence

Order in which arithmetic’s operations are executed

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32

Priority in operators

Multiplication & Division > addition and subtraction

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33

Double quotes

String variable

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34

Single quotes

char variable

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35

Import java.util.Scanner; function

Tells java you want to use the scanner class in the util package of java library

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Import in Import java.util.Scanner;

Reference it in the code

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Scanner in Import java.util.Scanner;

Class that handles inputs

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Util in Import java.util.Scanner;

utility package of the java library where scanner is stored

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39

Scanner variable

Scanner user_input = new Scanner (System.in);

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40

New in Scanner user_input = new Scanner (System.in);

Creates the new objects

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41

System.in in Scanner user_input = new Scanner (System.in);

Specifies for system input

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42

User_input in Scanner user_input = new Scanner (System.in);

TThe variable that is called to call the input methods

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43

Next method in Scanner user_input = new Scanner (System.in);

Gets the next string of text or int of number that a user types

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44

Println

Cursor moves to a new line after the output

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Print

Cursor stays on the same line

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46

If statement format

if(Condition {//codes to be executed if true}

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Comparison Operators

Greater than, < Less than, >= greater or equal to, <= less than or equal to

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Logical Operators

&& AND, || OR, == HAS A VALUE OF, ! NOT

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49

If else statement structure

if(condition){code to be executed} else {code to be executed}

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Nested IF statement

IF statement inside another IF statement

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51

Boolean values

One with two choices: True or false, yes or no, 1 or 0

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Switch statement

Selection statement

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53

Switch statement can be used instead

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54

Switch statement structure

switch(your test variable) { case Testing value: statement to be executed; break; default: statement to output if no matching case found; }

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Looping

Repeat execution of statements a number of times

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For loop structure

for(initial value; condition; increment/decrement { statements to be repeated if true }

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Intial value in for loops

Sets at what number should the repeat process start

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Condition in for loops

Repeat should occur only when this condition is true

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Increment/decrement

Move the counter forward or backward

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60

Prepares the environment for developing java applications

Java Netbeans IDE Function

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61

Integrated Development Environment

IDE Full form

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62

Platform to write Java code and applications (Version 7 ngayon)

Java Netbeans

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63

Desktop applications, client-server applications, mobile phone applications, games

What does java develop?

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64

Platform independent

Java major advantage

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65

Java Virtual Machine (JVM)

Java’s own runtime environment

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66

Sun Microsystems

Current owner of java

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67

Java Virtual Machine (JVM) and Java Development Kit (JDK)

What to download?

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68

Source code wiith .java extension

Java code to write & extension

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69

Another program called Javac that turns it into a Java byte code with .class extension (there should be no present errors)

What compiled the source code?

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Class file

File that Java Virtual Machine runs

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71

Grayed out areas with forward slashes (// for single line comments; /* */ for multiline comments and asterisks that the compiler ignores

Java Comments

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72

Starts with /** ends with */ to document the code (converted to HTML)

Javadoc comments

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73

True

Java is case sensitive

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74

Semicolon (;)

Java code instructions end with a

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75

Class segment notes the starting and ending of a java class segment code

public class MyFirstProgram { }

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76

Method

Public static void main(String[] args){ }

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77

the code can be accessed outside the class without creating new objects

Public in “public static void main(String[] args){

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78

This part of the code does not return any value

Void in “public static void main(String[] args){

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79

Denotes starting point of the java program

Main in “public static void main(String[] args){

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80

NetBeans tries to display a list of available options after “.”

IntelliSense

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81

Cleans and builds your project with all necessary files for export if the program needs to be shared; will be put in a dist folder

.Jar file (java archive) function

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82

can be text, numbers, pointers, objects or some specified memory location

Data

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83

How is data accessed

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84

Joining together direct text and a variable

Concatenation

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85

True

You cannot start with a number for a variable name

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86

True

You cannot have the same variable name with a keyword

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87

False

Variable names can have a space

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88

False

Variable names are not case sensitive

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89

+-2147483647 (use double to get a bigger/smaller number)

Java minimum and maximum value for numbers

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90

Order in which arithmetic’s operations are executed

Operator Precedence

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91

Multiplication & Division > addition and subtraction

Priority in operators

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92

String variable

Double quotes

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93

char variable

Single quotes

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94

Tells java you want to use the scanner class in the util package of java library

Import java.util.Scanner; function

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95

Class that handles inputs

Scanner in Import java.util.Scanner;

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96

utility package of the java library where scanner is stored

Util in Import java.util.Scanner;

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97

Scanner user_input = new Scanner (System.in);

Scanner variable

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98

Creates the new objects

New in Scanner user_input = new Scanner (System.in);

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99

Specifies for system input

System.in in Scanner user_input = new Scanner (System.in);

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100

TThe variable that is called to call the input methods

User_input in Scanner user_input = new Scanner (System.in);

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