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Java GUI 🖼️

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hey what's going on everybody it's your

bro here hope you're doing well

this is my new and improved java swing

tutorial series and in this video i'm

going to teach you guys how we can

create a

simple jframe that we can later add

components to

if you find this video helpful please

remember to like

comment and subscribe your support will

help keep this channel running

okay everybody so let's create a jframe

so a jframe is a gui window

to add components to we're not going to

be adding any components in this video

but in the next video we're going to cover

cover

labels so to begin let's create an

instance of a jframe

so jframe let's call this frame equals

new j frame so this

creates a frame for us an instance

of a frame however we'll need an import

so we'll add that at the top

import java x dot swing dot j frame

so if we were to run this it's actually

not visible

so we need to set the visibility to true

so we'll add that the end

frame dot set visible

and we're going to set this to true

so this will make frame

visible so we can actually see it now

however it is very small so

let's increase the size so we can do

that by saying

the name of the frame dot set

size so we can pass in a dimension

or a width and a height and this is in integers

integers

so let's say this frame will be 420 by

420 because 420 is a funny number

so this sets the

x dimension and

y dimension of our frame

and this should be visible now here's

our jframe

let's set some other things let's change

the title so we can do that by saying

frame dot set title and we can set this to

a string i'll call this

j frame title goes

here and this will display at the top

so set this to whatever you want your

title for your window to be

so this sets title of

frame now pay attention to this

so when we hit this x button in the

corner it's going to actually

hide our frame but not actually close

out of the program

so if you want to close out of the

program and exit

we're going to change a setting we're

going to use

frame dot set default close

operation and we're going to set this to jframe

jframe

dot exit on close

so when we hit that x button it's going

to exit out of

application and by default it's normally

hide on close so it appears that we

killed the application but it's still

running in the background

otherwise there is do nothing on close

and you can actually prevent somebody

from hitting the x button to close out

of the frame which is actually kind of

annoying but

that's how you can do that but let's set

this back to exit on close because we

want to exit out of the application

when we hit that x button now another

thing that we can do

is that we can resize our window

so we can actually prevent that so we're

going to say

frame dot set

resizable false

what this will do is prevent

frame from being resized

so we can no longer resize this even if

we tried

we can no longer make this full screen

either with the maximize button

so here's something else for you guys

how do we change the icon

for the top left of our frame window

normally it's the

java logo but we can actually change

that to something that suits our program better

better

so i'm actually going to use the logo

for my channel

and change the icon from the java logo

to my logo so if you want feel free to

pause the video and download an image

that you might want to use

here's my logo i'm going to change the

icon of my frame

to this logo instead of the default java logo

logo

so what i'm going to do is copy this go

to my project folder

and then paste it so then we're going to

create an

image icon out of this so image

then icon let's call this image just image

image

equals new image icon

and then we're going to list either the

file path or the file name

since this is within my project folder i

only have to list

the file name so this file name is logo.png

logo.png and then we're going to need

another import

so java x dot swing dot image icon at

the top

so this will create an image

icon and now what we're going to do

is set the image icon of the frame

so we'll say frame dot

set icon image

and within the parentheses of this

method here we're going to say image

dot get image

so this will change icon

of frame so then

if we tried this our image is now

at the top left of our frame in place of

the java logo that was there by default

pretty cool huh now let's change the

background color of our frame

so what we're going to do is that we're

going to say

frame dot get

content pain

we're going to have to do a little bit

of method chaining followed by

dot set background

and then you can place a color within

here so there's a few basic colors

and then we're going to need an import

as well so make sure to include this at

the top

java.awt.color so this will

change color of background

so now this window should be green

however you might not like some of the

default colors you can create a custom

color too

so within the set background method

we're going to say new

color and we have a few options we can place

place

some rgb values here or a hexadecimal

color value

so let's begin with some rgb values so all

all

zeros this is black

so the background is now black and this

is on the range from 0 to

255 with

255 for all three values is

just white so the first value is the

and you can see it's as bright red as

you can make it really

the second value is green so that's 255

and remember this is on a range of 0 to 255

255

so you can adjust the amount of red

green and blue that you want

so i'm just going to make up some random

numbers 123

50 250.

i have no idea what color this is so oh

i actually

really like that that's like a twitch purple

purple

so to say i think i'm keeping that

actually i'm going to remember this number

number

123 50 250. all right you can also place a

hexadecimal value here so you say

0x and then it's a

series of six values

so all zeroes would be black otherwise

all f's

would be white and if you don't believe

me i'll prove you wrong

so you can always go to google and look

up hexadecimal

color values and you can pick a color

that you want so

1 2 3 4 5 6 would be

this shade of blue which is actually

pretty sweet uh

otherwise you can really pick any color

you want and put that here

and the last thing that i got for you

guys today in this video is that

there are two i would say different ways

in which you can create a frame the

first is just to create an instance

of a frame and give it a name and then

you can change

all of the members and properties of

this frame by just saying the name of

the frame

dot and then whatever change you want to

make the other way

is that you can use a jframe as a parent class

class

to a child class so i'll show you how to

do that because i do this quite often in

this tutorial series

so what we're going to do is actually

create another class that's going to be

a child

class of jframe so go to your source folder

folder

then go to file new class and i'll call this

this

my frame so my frame

extends j frame this is the subclass

or child class and jframe is the parent class

class

also known as the super class then we're

going to need

this import at the top as well so the

other way in which we can create a jframe

jframe

i'm actually going to copy this

turn all of this into a comment because

we won't really need it right now

and then i'm going to create a

constructor for my frame

so this constructor is going to be

called when we create an instance

of my frame and i'm going to paste

everything within here however we're

going to replace

the name of our frame and take out that

line as well

so instead of saying frame dot set title

we're actually going to replace the word

frame with the word

this so an easy way that you can make

these changes is go to

edit find replace

and we're going to replace frame

so replace the word frame or whatever

else you called your frame

at this point with this and we're going

to create an

instance of the my frame class

so we'll do that here so we're going to say

say

my frame instead of jframe and let's

call this

my frame equals new my

frame and this will do the exact same thing

thing

as all of this code where it creates a

basically a duplicate of the frame we had

had

so you don't necessarily need to create a

name for this instance if you don't plan on

using this name for anything so one

thing that we can also do

is take out this portion of the code if

we don't really plan on using the name

or a name for your my frame you can just

say new my frame

and this works as well however if you

need to make some changes within

this class to your my frame you might

have to actually create a name for

it all right so that's the basics of

frames in java if you'd like a copy of

all this code i'll post all of this in

the comments down below

but yeah that's how you can create a

frame in java

hey you yeah i'm talking to you if you

learn something new

then you can help me help you in three

easy steps

by smashing that like button drop a

comment down below

and subscribe if you'd like to become a

fellow bro [Music]

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