convert array to string in java

java convert string array to one string:

Method 1

/**
 * @author lautturi.com
 * Java example: convert an array of strings in a single string in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		String[] strArray = {"hello","lautturi","java","python","world","lau"};
		
		String str = Arrays.toString(strArray);
		System.out.println("String:"+str);
	}
}

output:

String:[hello, lautturi, java, python, world, lau]

Method 2

/**
 * @author lautturi.com
 * Java example: convert string array to string in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		String[] strArray = {"hello","lautturi","java","python","world","lau"};
		
		String str = String.join(",", strArray);
		System.out.println("String:"+str);
	}
}

output:

String:hello,lautturi,java,python,world,lau

Method 3

/**
 * @author lautturi.com
 * Java example: how to convert array of strings into a string in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		String[] strArray = { "hello", "lautturi", "java", "python", "world", "lau" };

		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < strArray.length; i++) {
			sb.append(strArray[i]);
		}
		String str = sb.toString();
		System.out.println(str);
	}
}

output:

hellolautturijavapythonworldlau