F&A Diskussionen
I've been trying to make first example program work for about an hour now and I've re-typed it multiple times but it still gives me the same error
ExampleProgram.java:3: error: cannot find symbol
System.out.printIn("Hello World");
And the arrow is pointing at the period (.) after out. Anyone can help me?
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7 Antwortencan someone please explain to me how moving objects are produced ? (example in games). must I use graphics.h?. how do I transform it from simply a compiled piece of code in code block to a real software?. I've been googling this for days now and I'm still confused. Please an extensive explanation would be appreciated🙏. Thanks.
p. s you can also recommend websites where I can learn more and see good sample codes.
10 Stimmen
5 Antwortenhow can i put a program in an application ? i wrote a program with eclipse ( a calculator ) what can i do with it now ? maybe put it in an application but how ?
and is in this app (sololearn) declared how to program interactive fields ? like for calculator a field for + - * / and = ? is there any tutorial for that ?
2 Stimmen
5 AntwortenHello guys right now I am kinda of new in python
my question is related to the function call len()
len() its print out the character but here it's the confusing part, I am working with a list let me explain an example
players
['lee', 'bob', 'moe', 'joe']
len(players)
4
why it's giving me 4 item in the list I thought len it counts the characters and if I do this it give me the correct somewhat answer what I am seeking,
len(players [-1])
3
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8 Antworten
what have i to do, if i want that the program always writes for example :
0+1
1+2
3+3
6+4
10+5
15+6
...
because now it just writes
1
3
6
10
15
...
and maybe if it works, can i make then
0+1=1
1+2=3
3+3=6
6+4=10
#include <iostream>
using namespace std;
int main(){
int i;
int sum = 0;
for (i = 1; i <= 100; i++){
sum = sum+i;
cout<<sum<<endl;
}
cout<<sum;
return 0;
}
1 Stimme
5 Antwortenclasse animal has makesound function i.e grr..... nd classes cat and dog also have makesound function i.e meow nd woof respectively... due to inheritance classes cat and dog also have makesound function of animal class ie grr.... now my q is how compiler will know which function to execute is nt ds ambiguous??... two choices r dere....
1 make sound function of animal class ie grr
2 make sound function of own like woof or meow.... any help would be really helpful....
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6 AntwortenI recently created and saved a small program privately and now I cannot figure out how to open it to edit and run it. I am new to using this app to create and run Java programs and would like to know how to do this in order to edit and reuse my programs. How do I open a program I have privately saved?
1 Stimme
2 AntwortenI want write once program but I can't!, if we write "cout<<"Hello world" ; in a console we can see momental"hello world" and nothing, but now I want see hello world like a gif animation, every letters must be showing step by step, first "H" second "e" and "l" all letters step by step in every sek time, it's possible?, excuse me I am Russian.
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2 AntwortenHeute heiß
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