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Karthikeya Boyini has Published 2193 Articles

karthikeya Boyini
1K+ Views
At first, create a double array −double[] val = new double[10];Now, generate and display random numbers in a loop that loops until the length of the above array. We have used nextInt here for random numbers −for (int i = 0; i < val.length; i++) { val[i] = new ... Read More

karthikeya Boyini
93 Views
To create a tuple from List, you need to use fromCollection() method.Let us first see what we need to work with JavaTuples. To work with Quintet class in JavaTuples, you need to import the following package −import org.javatuples.Quintet;Note − Steps to download and run JavaTuples program. If you are using ... Read More

karthikeya Boyini
1K+ Views
The function tmpfile() creates a temporary file in binary update mode in C. It initializes in header file of a C program. It always returns a null pointer if the temporary file cannot be created. The temporary file deleted automatically just after the termination of program.SyntaxFILE *tmpfile(void)Return valueIf file creation ... Read More

karthikeya Boyini
376 Views
First, declare an integer array and add some elements −Integer arr[] = { 40, 20, 30, 10, 90, 60, 700 };Now, convert the above array to List −List list = Arrays.asList(arr);Now, use Comparator and the reverseOrder() method. Using max() will eventually give you the maximum value, but with reverseOrder() it ... Read More

karthikeya Boyini
278 Views
The setAt0() method is used to set the Pair value in JavaTuples and a copy with a new value at the specified index i.e. index 0 here.Let us first see what we need to work with JavaTuples. To work with Pair class in JavaTuples, you need to import the following ... Read More

karthikeya Boyini
221 Views
A JSP directive affects the overall structure of the servlet class. It usually has the following form −Directives can have a number of attributes which you can list down as key-value pairs and separated by commas.The blanks between the @ symbol and the directive name, and between the last attribute ... Read More

karthikeya Boyini
214 Views
The tag is used to store the given locale in the locale configuration variable.AttributeThe tag has the following attributes −AttributeDescriptionRequiredDefaultValueSpecifies a two-part code that represents the ISO-639 language code and an ISO-3166 country code.Yesen_USvariantBrowser-specific variantNoNonescopeScope of the locale configuration variableNoPageExampleResource bundles contain locale-specific objects. Resource bundles contain key/value ... Read More

karthikeya Boyini
6K+ Views
In iOS apps sometimes we need to restrict our text field to take only numbers as an input, this can be done in several ways, let’s see some of them.Method 1: Changing the Text Field Type from storyboard.Select the text field that you want to restrict to numeric input.Go to ... Read More

karthikeya Boyini
78 Views
Use the contains() method to search a value in the Quintet class in JavaTuples.Let us first see what we need to work with JavaTuples. To work with Quintet class in JavaTuples, you need to import the following package −import org.javatuples.Quintet;Note − Steps to download and run JavaTuples program. If you ... Read More