JAVA

java concatenate strings

public class Concat {
    String cat(String a, String b) {
        a += b;
        return a;
    }
}

how to concatenate two strings in java

public class Main
{
	public static void main(String[] args) {
		
		String str1 = "Hello";
		String str2 = "People";
		String str3 = str1 + str2;   // Concatinating two string variables
		
		System.out.println(str3);
		System.out.println(str3 + "!!!");    // Concatinating string variable with a string
	}
}

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);
  }
}

how do you combine 2 strings in java

-By  using (+) operator
-By  using concatenate method (concat()).
                      String strconcat3=strconcat2.concat(strconcat);

-By StringBuffer
-String strconcat= new StringBuilder().append("matt")
                                .append("damon").toString();
                                
-By StringBuilder
- String strconcat2= new StringBuffer()
                  .append("matt").append("damon").toString();