Since Java 5 you can use Arrays.toString(arr) or Arrays.deepToString(arr) for arrays within arrays. Note that the Object[] version calls .toString() on each object in the array. The output is even decorated in the exact way you're asking. Examples:

Nov 1, 2023 · When we try write array directly to output console in Java, we get class_name + ‘@’ + hash_code of the array define by Object.toString (). See the below example for a better understanding.

Nov 25, 2024 · In this article, we will learn the concepts of String Arrays in Java including declaration, initialization, iteration, searching, sorting, and converting a String Array to a single string.

Feb 6, 2014 · You are printing out a reference to the seven strings and not not the 7 strings. To print out the String either use a for loop for (String str : array) { System.out.println(str); } or use the static Array method Arrays.toString(array);

Dec 2, 2024 · Arrays.toString () Method of java.util.Arrays class is the simplest method to print an array in Java. This method takes an array as a parameter and returns a string representation of the array and it can work with all types of arrays like integer arrays, string arrays, etc. Example:

Jan 20, 2016 · You can use String.join() to format your array to your desired result. Try: sb.append(s).append(" "); Do you simply want to concatenate k strings with a space between each of the strings? You don't need System.out.format for that. You could simply create a loop to concatenate them together with a StringBuilder: public String concatStrings(String...

Sep 5, 2024 · Therefore, to display the elements of an array, we can use methods like Arrays.toString (), Stream.forEach (), Arrays.deepToString (), or iterate through the arrays using loops. In this tutorial, we’ll discuss several methods to print the content of a single or multi-dimensional array in Java. 2. Printing the Content of an Array in Java.

We can write an array of strings to the output console in Java by using loops or built-in utility methods. The following are the ways to write an array of strings to the output console.

There are many ways to convert a string to an array. The simplest way is to use the toCharArray() method: Convert a string to a char array: You can also loop through the array to print all array elements:

Oct 25, 2022 · In this guide, you will learn about string array in java, how to use them and various operations that you can perform on string array in java. String array is a collection of strings, stored in contiguous memory locations.