Questions tagged [java-console]
20 questions
-1
votes
2 answers
How do I check java console log.?
I am running java application and because of some error it gets closed, I want to check the error in log. How can I reopen java console with that log or is there any other way to check the log of java console.?
Riddhi Makwana
- 29
- 1
- 1
- 5
-2
votes
1 answer
Is there Java Control Panel in java -16?
Hi am new to java and I was using java 15. Then a newer version of java came and it was 16.
I downloaded it and installed it in my computer. Then I found that you can update java using java control panel. But I can't found it. Can anyone help me? Is…
user15537709
-2
votes
5 answers
Sum a variable with a random number in the loop
I am generating a random number between 1 and 6. And I have an integer value with a value of 0 (int number1 = 0;). I need to add them in a loop. Each round of the loop the random number will be generated again and add on top of the previous sum. How…
Doğuhan Ay
- 23
- 4
-2
votes
2 answers
How to check element duplicate in Map java
I have a function, which allow input key and value into Map.
here my code
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
public class MapDemo {
public static void main(String[] args) {
Scanner input = new…
Trinh Quang
- 1
- 3
-3
votes
2 answers
How to write inside existing json node without loosing data in java?
I am developing a java console application and using JSON to store data.
This is my query. I want to add data inside the existing node without losing data.
I have this Node:
{
"course" :
[
],
}
Now I want to write new data inside course,…
Hannan Max
- 49
- 6