Questions tagged as 'java'

Tagged questions
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Test date of at least one previous day

System that controls Work Orders, the moment I open a new work order call I close the previous order. If the previous work order has been opened on an earlier date (at least one day late) I close it at the end of the previous date and open the n...
asked by 12.04.2017 / 21:08
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Web page does not open in my WebView [duplicate]

I made a browser using WebView , but when I call loadUrl(); it opens the page in the default Android browser. How do I open it inside my browser?     
asked by 08.06.2016 / 15:08
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How to get data from a JTable for storage in a database?

I'm developing a project called Menu List with a MySQL database and in Java on NetBeans, with an added library of MySQL-Connector-Java. I want the names of the selected products, the quantity of products, and the total price of the Cardapio.j...
asked by 07.06.2016 / 15:40
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Find and open .txt file, add information and save in java

I have a project for a system for clinics where the receptionist registers the patient by putting his personal information and saving it in a txt file. Then when the doctor receives the patient he will search the patient's file name through a li...
asked by 20.06.2016 / 22:48
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Multiple-field sql search in java

How to do a sql search in java that involves multiple arguments? Example: I want to research all people with Angolan nationality, Computer Science course and two or more years of professional experience. I'm using this way: select * from c...
asked by 22.04.2016 / 17:33
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Binary tree level walking

Description of the problem I need to solve: "A path per level in a tree, first list the root, then all nodes that are at level 1 then all nodes of level 2, etc. Write a procedure to list the nodes of a binary tree by level." As it is necessar...
asked by 04.05.2016 / 04:17
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How to properly position a piece of View created in Java?

After loading my View , if the user clicks the button then a menu appears on the front as shown in the image: ThetopmostlayerofthismenuisFrameLayout,IwouldliketoleaveitwithGravityRIGHTandBOTTOM,butIdonotknowhowtopassthesefeaturesto...
asked by 17.03.2017 / 15:41
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When will the object be eligible for GarbageCollector?

From the code snippets below, in which the object created in new Pessoa("João") will be available to the garbage collector in the line: //outras instruções ? They are all independent codes. They are not in the same class or fil...
asked by 22.03.2017 / 13:13
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Does Admob only need an XML code?

Does Admob only need this code or does it need some created class?     
asked by 22.03.2017 / 16:20
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Timer with threads in java

Good evening, guys! I'm developing a multithreaded client / server system. Several clients connect, and when they send the string "Ocupada" 3 times, the code exits the while , starts counting the time and ends the connection with...
asked by 31.07.2016 / 05:32