I’m a newbie of programming languages. I have the following code if i make the limits is 7, the output should be : the output : 1, 3, 5, 7 Answer You can use below code: if you dont have any library other than jdk.
Google PubSub and duplicated messages from the TOPIC
How to prevent duplicated msg from happening in Google Cloud PubSub? Say, I have a code that handles the msg that it is subscribed for. Say, I have 2 nodes with the same Service that has this code. Once one has received the msg but not yet acknowledged it, another node will receive the same message. And this …
How to deserialize from Number value to int (error – no int/Int-argument constructor/factory method to deserialize from Number value)
I have two classes Flight and Ticket. One flight can has lots of tickets, so Ticket has foreign key flight_id. Here is my database with tables flight and ticket. Here is my json request (from Mozilla debugger), which I want to save in the database. You can see flight_id parameter, but I can’t save it to…
Convert @ sign from byte in GSM 7-bit encoding to Java text
I have given a byte array [97, 98, 0, 99, 100] which is GSM 7-Bit encoded. This should be converted into ab@cd. When I tried to append this given array into a StringBuilder, I was not able to convert the @ sign. Here is my code: Answer Based on your comments in other answers, the problem is caused by missing
How do I stop JFrame/JPanel from auto-formatting the distances between my components?
So I’m writing a program which utilizes a GUI. The GUI is built from a JFrame and a JPanel in Java. I have a JTextArea() and a JButton() that appears beside the JTextArea on the left. I also have an image which I imported locally using the method call below (“f” is the variable name of my JF…
SSLException: closing inbound before receiving peer’s close_notify
I’m writing a simple JDBC code with MySQL. Everything works fine and I’m able to print the records in table through select statement. But when I’m closing the connection, using Connection.close(), I’m getting the below exception. Any help is appreciated. Answer This was a issue with th…
should be mapped with insert=”false” update=”false”
I got the next 2 classes : and a subclass : However, I’m getting the next error : From what I understood insertable=false and updatble=false is often used when we have a OneToMany relation. In this case it’s just inheritance. When adding the insertabl=false,updtable=false to the column sponsored i…
Tomcat 404 – Not Found: when Implementing REST API
I’m trying to implement simple RESTFUL API service using dynamic web application in Eclipse. Every time I am getting error message HTTP Status 404 – Not Found. I have attached my screen below Package structure I am able to run tomcat server on localhost:8080 as shown on the above figure but when I tryin…
Unable to open UIAutomatorviewer on Mac High Sierra
We have brand new MacBooks with High Sierra (10.13.6). Other system info: Java(TM) SE Runtime Environment 18.9 (build 11.0.1+13-LTS) JAVA_HOME: /Library/Java/JavaVirtualMachines/jdk-11.0.1.jdk/Contents/Home When tried to open Android UIAutomatorViwer we’re getting following error: /Library/Android/sdk/t…
Resize Bitmap to 512×512 Without changing original aspect ratio
I have a created bitmaps. Sizes are not specific. Sometimes 120×60 , 129×800 , 851×784. Its not have a specific value… I want to make these bitmaps resizing to 512×512 always but without changing original images aspect ratio. And without cropping. New image must have canvas 512×…