import java.util.function.Consumer; import java.util.function.Function; Function<LocalDate, Integer> findAge = dob -> Period.between(dob, LocalDate.now()).getYears(); Consumer<User> action = u -> System.out.pri
to wait for its completion, and to retrieve the result of the computation. In simple terms, a future is promise to hold the result of some operation once that operation completes.Futurewas introduced in Java 5.
printf command is used to output a given string, number or any other format specifier. The command operates the same way as printf in C, C++, and Java programming languages. Let’s look at different instances where we can use printf. 2.1. Printing Text We can use printf command to displa...
"\n"is a new line character, which can be used anywhere within the message written in printf() statement. Write first line"This is line 1."Then write"\n"again write"This is line 2."And then write"\n"and so on... #include<stdio.h>intmain(){printf("This is line 1.\nThis is...
#include<conio.h>voidmain(){clrscr();textcolor(RED);cprintf("Welcome to Tutorial of Graphics in C/C++\n");textcolor(LIGHTBLUE);cprintf("Hello\n");getch();} Note: The main thing to note in the above-given program is that instead ofprintfthecprintffunction has been used. If you use on...
{ listenAddr := ":8080" if val, ok := os.LookupEnv("FUNCTIONS_CUSTOMHANDLER_PORT"); ok { listenAddr = ":" + val } http.HandleFunc("/api/HttpExample", helloHandler) log.Printf("About to listen on %s. Go to https://127.0.0.1%s/", listenAddr, listenAddr) log.Fatal(http.Listen...
out.printf("The final results were: %s and %s", result1.join(), result2.join()));[full code on GitHub] Handling Errors in CompletionStages If any exceptions are thrown in your asynchronous code, the CompletionStage API will catch them and let you handle them in a few different ways. ...
out.printf("The city %s is in %s%n", city, country); } } catch (SQLException ex) { // something has failed and we print a stack trace to analyse the error ex.printStackTrace(); // ignore failure closing connection try { c.close(); } catch (SQLException e) { } } finally { /...
::Commit, NdbOperation::AbortOnError ) != -1) { printf(" %2d %2d (frag=%u)\n", resultRow.attr1, i, frag); } myNdb->closeTransaction(myTransaction); } /*** * Update the second attribute in half of the tuples (adding 10) * ***/ for (int i = 0; i < 10; i+=2) ...
(oldPrice * priceModifier); System.out.printf("Old price of %s is $%.2f%n", coffeeName, oldPrice); System.out.printf("New price of %s is $%.2f%n", coffeeName, newPrice); System.out.println("Performing update..."); updatePrice.setFloat(1, newPrice); updatePrice.setString(2, ...