How to convert String array to Java String object. - Java Language Basics

Java examples for Language Basics:String

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Description

How to convert String array to Java String object.

Demo Code


import java.util.Arrays;
 
public class Main {
        public static void main(String args[]){
                String[] strArray =
                        new String[]{"Java", "String", "Array", "To", "String", "Example"};
               /*from   w  ww  .  j av a 2 s  . co m*/
                /*
                 * 1. Using Arrays.toString method
                 */
               
                String str1 = Arrays.toString(strArray);               
                //replace starting "[" and ending "]" and ","
                str1 = str1.substring(1, str1.length()-1).replaceAll(",", "");
               
                System.out.println("String 1: " + str1);
                /*
                 * 2. Using Arrays.asList method followed by toString.
                 */
               
                String str2 = Arrays.asList(strArray).toString();
                //replace starting "[" and ending "]" and ","
                str2 = str2.substring(1, str2.length()-1).replaceAll(",", "");
                System.out.println("String 2: " + str2);
               
                //3. Using StringBuffer.append method
                StringBuffer sbf = new StringBuffer();
               
                if(strArray.length > 0){
                        sbf.append(strArray[0]);
                        for(int i=1; i < strArray.length; i++){
                                sbf.append(" ").append(strArray[i]);
                        }
                       
                }
                System.out.println("String 3: " + sbf.toString());
               
        }
       
}

Result


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