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;

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);
    }
}