java

[Solved] How can I read this unstructured flat file in Java?

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Consider this file divided in middle present two record in same format, you need to design class that contains fields that you want to get from this file. After that you need to read List<String> fileLines = Files.readAllLines(Path pathToYourFile, Charset cs); and parse this file with help of regular expressions. To simplify this task you … Read more

[Solved] How to output the queries from my sql database? [duplicate]

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You need of jar that have the class com.microsoft.sqlserver.jdbc.SQLServerDriver. This class is part of library JDBC to connect with SQLServer. You can do download in this web site: https://www.microsoft.com/pt-BR/download/details.aspx?id=11774 If your project use maven, you can add this dependency: https://mvnrepository.com/artifact/org.springframework/spring-jdbc/5.0.0.M5 0 solved How to output the queries from my sql database? [duplicate]

[Solved] Drawing an unknown number of shapes [closed]

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Check out Custom Painting Approaches It shows the two common ways to do this: Keep an ArrayList of Objects to paint and then iterate through the List in the paintComponent() method. Paint directly to a BufferedImage and then just display the BufferedImage. solved Drawing an unknown number of shapes [closed]

[Solved] how to combine try in the if condition [closed]

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Like this: try { if(txtweb.getText().toString().equals(“Google Plus”)) { setContentView(R.layout.google); InputStream is = getAssets().open(“read_asset.txt”); int size = is.available(); byte[] buffer = new byte[size]; is.read(buffer); is.close(); String text = new String(buffer); TextView tv = (TextView)findViewById(R.id.text); tv.setText(text); } else if(txtweb.getText().toString().equals(“Twitter”)){ setContentView(R.layout.google); } } catch (IOException e) { throw new RuntimeException(e); } 2 solved how to combine try in the … Read more

[Solved] Add a string to an ArrayList

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If you are declaring list as ArrayList data = new ArrayList(); then you get the message about parameterizing the list because data can hold any Object If you know that you are going to add only strings in your list, declare it as ArrayList<String> data = new ArrayList<String>(); // pre java 7 ArrayList<String> data = … Read more

[Solved] How to resolve error “non static method ‘getDeviceId()’ cannot be referenced by static context” [duplicate]

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public String getDeviceId(Context context){ TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); return telephonyManager.getDeviceId(); } 4 solved How to resolve error “non static method ‘getDeviceId()’ cannot be referenced by static context” [duplicate]

[Solved] Splitting a string ignoring whitespace

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We’ll need to see your code before we can begin troubleshooting. However, the following code should work just fine: String address = “1,1,87 gandhi road,600005”; String[] stringArray = address.split(“,”); for(String str : stringArray) { // Do something with str. } 5 solved Splitting a string ignoring whitespace

[Solved] 1 – 100 prime or not in Java

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You have almost all of the code correct, you just need to put it in the right place. For example, your println statements need to be inside the for loop and your for loop needs to start at 1 and increment by 1 to 100. for(int x = 0; x < 101; x++) { if(x … Read more