java

[Solved] There is no error in the code but the button doesn’t perform any action

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[ad_1] Try to move the following lines out of the OnClickListener, they should be in the onCreate method: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_register); //… inputUsername = findViewById(R.id.inputUsername); inputEmail = findViewById(R.id.inputEmail); inputPassword = findViewById(R.id.inputPassword); inputCpassword = findViewById(R.id.inputCpassword); btnRegister = findViewById(R.id.btnRegister); btnRegister.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { validations(); } }); // … Read more

[Solved] How to determine a java program output without any IDE?

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[ad_1] If you use Java version 9 or higher, you can use the Java REPL (JShell) to try pieces of code. Install it on your computer, or use an online service (e.g. replit.com). Or, use a text editor, and create a .java file, compile it and run it: https://docs.oracle.com/javase/tutorial/getStarted/cupojava/win32.html 0 [ad_2] solved How to determine … Read more

[Solved] didnot search on searchbox in instagram

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[ad_1] Use actions class and try Actions actions = new Actions(driver); actions.moveToElement(driver.findElements(By.xpath(“//div[@class=”_9AhH0″]”)); actions.click(); actions.sendKeys(“tanishq”); [ad_2] solved didnot search on searchbox in instagram

[Solved] How to print a single specified element of an array?

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[ad_1] import java.lang.reflect.Array; public class freq { public static void main(String[] args) { double a[] = { 0.0855, 0.0160, 0.0316, 0.0387, 0.1210, 0.0218, 0.0209, 0.0496, 0.0733, 0.0022, 0.0081, 0.0421, 0.0253, 0.0717, 0.0747, 0.0207, 0.0010, 0.0633, 0.0673, 0.0894, 0.0268, 0.0106, 0.0183, 0.0019, 0.0172, 0.0011 }; System.out.println(“c = ” + a[2]); } } 1 [ad_2] solved How … Read more

[Solved] Regex to match /src/main/{any_package}/*.java

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[ad_1] Maybe, this expression would also function here, even though your original expression is OK. ^\/src\/main\/java(\/[^\/]+)?\/\*\.java$ Demo 1 My guess is that here we wish to pass: /src/main/java/{any_package}/*.java /src/main/java/*.java If the second one is undesired, then we would simply remove the optional group: ^\/src\/main\/java(\/[^\/]+)\/\*\.java$ Demo 2 and it might still work. Test import java.util.regex.Matcher; import … Read more

[Solved] What is the most simple way to sent HTTP Post request to server

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[ad_1] If you don’t want to fight with the JRE internal HttpURLConnection then you should have a look at the HttpClient from Apache Commons: org.apache.commons.httpclient final HttpClient httpClient = new HttpClient(); String url; // your URL String body; // your JSON final int contentLength = body.length(); PostMethod postMethod = new PostMethod(url); postMethod.setRequestHeader(“Accept”, “application/json”); postMethod.setRequestHeader(“Content-Type”, “application/json; … Read more

[Solved] What is the purpose of a do-while loop? [duplicate]

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[ad_1] Consider the following: while(condition){ myFunction(); } and do{ myFunction(); }while(condition); The second form executes myFunction() at least once then checks the condition! To do so with a while loop you’ve to write: myFunction(); while(condition){ myFunction(); } [ad_2] solved What is the purpose of a do-while loop? [duplicate]

[Solved] Can I create socket between two devices where one device is connected to wifi internet and other is connected to 3G or 2G internet.?

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[ad_1] Can I create socket between two devices where one device is connected to wifi internet and other is connected to 3G or 2G internet.? [ad_2] solved Can I create socket between two devices where one device is connected to wifi internet and other is connected to 3G or 2G internet.?

[Solved] Difference between +e vs , e in throw Exception

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[ad_1] throw new Exception (“msg” + e); throws a new Exception with a message that’s a concatenation of “msg” and e.toString(), losing e stacktrace in the process. throw new Exception (“msg”, e); throws a new Exception with a message “msg” and e as the cause. [ad_2] solved Difference between +e vs , e in throw … Read more

[Solved] Simple Code Explanation in Java Beginner Test

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[ad_1] In an OR statement in Java the left side is evaluated first and if it appears to be true the right side of the statement is considered not important, so Java doesn’t check that side. So in your case the i++ in de right side of the statement is not being called because t … Read more