JAVA

Java String join

String.join(" - ", "This", "course", "is", "awesome");
// ou
String.join(" - ", new String[]{"This","course","is","awesome"});
				// retourne "This - course - is - awesome"

String.valueOf(22); // retourne "22"

join strings in java

String a = "Hello";
String b = " World";
String c = a+b;

Join Two Java Strings

class Main {
  public static void main(String[] args) {

    // create first string
    String first = "Java ";
    System.out.println("First String: " + first);

    // create second
    String second = "Programming";
    System.out.println("Second String: " + second);

    // join two strings
    String joinedString = first.concat(second);
    System.out.println("Joined String: " + joinedString);
  }
}

String join in java

// Java program to demonstrate
// working of join() method
  
class Gfg1 {
    public static void main(String args[])
    {
        // delimiter is "<" and elements are "Four", "Five", "Six", "Seven"
        String gfg1 = String.join(" < ", "Four", "Five", "Six", "Seven");
  
        System.out.println(gfg1);
    }
}