Java String Concat - Java Language Basics

Java examples for Language Basics:String

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Description

Java String Concat

Demo Code


public class Main {
        public static void main(String args[]){
                String str1 = "Hello";
                String str2 = " World";
               /*from  w ww .j av a 2  s  .  c om*/
                //1. Using + operator
                String str3 = str1 + str2;
                System.out.println("String concat using + operator : " + str3);
               
                //2. Using String.concat() method
                String str4 = str1.concat(str2);
                System.out.println("String concat using String concat method : " + str4);
               
                //3. Using StringBuffer.append method
                String str5 = new StringBuffer().append(str1).append(str2).toString();         
                System.out.println("String concat using StringBuffer append method : " + str5);
        }      
}

Result


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