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How to return string array in java?

  1. import java.util.Arrays;
  2. public class ReturnArrayExample1.
  3. {
  4. public static void main(String args[])
  5. {
  6. int[] a=numbers(); //obtain the array.
  7. for (int i = 0; i < a.length; i++) //for loop to print the array.
  8. System.out.print( a[i]+ ” “);

How do I return a string to an array?

  1. Step 1: Get the string.
  2. Step 2: Create a character array of the same length as of string.
  3. Step 3: Traverse over the string to copy character at the i’th index of string to i’th index in the array.
  4. Step 4: Return or perform the operation on the character array.

How do you return a string in Java?

  1. import java. util. Scanner;
  2. public class ReverseString {
  3. public static void main(String[] args) {
  4. Scanner scan = new Scanner(System. in); System. out. print(“Enter string: “);
  5. String str = scan. nextLine();
  6. String reverseStr = reverseStringData(str);
  7. System. out. println( “Reverse String: ” + reverseStr);
  8. }

Can you return an array in Java?

We can return an array in Java. Below is a Java program to demonstrate the same. We can use Pair in Java to return two values. We can encapsulate all returned types into a class and then return an object of that class.

How do you call an array method in Java?

To pass an array as an argument to a method, you just have to pass the name of the array without square brackets. The method prototype should match to accept the argument of the array type. Given below is the method prototype: void method_name (int [] array);

How do you return an array?

  1. import java.util.Arrays;
  2. public class ReturnArrayExample1.
  3. {
  4. public static void main(String args[])
  5. {
  6. int[] a=numbers(); //obtain the array.
  7. for (int i = 0; i < a.length; i++) //for loop to print the array.
  8. System.out.print( a[i]+ ” “);

How do you turn an array into a string?

  1. Create an empty String Buffer object.
  2. Traverse through the elements of the String array using loop.
  3. In the loop, append each element of the array to the StringBuffer object using the append() method.
  4. Finally convert the StringBuffer object to string using the toString() method.

What is Java void?

void is a Java keyword. Used at method declaration and definition to specify that the method does not return any type, the method returns void . It is not a type and there is no void references/pointers as in C/C++.

Can a method return a string?

Learn how to return a string from a C function The tricky thing is defining the return value type. Strings in C are arrays of char elements, so we can’t really return a string – we must return a pointer to the first element of the string. All forms are perfectly valid.

What is return in Java?

Java return keyword is used to complete the execution of a method. The return followed by the appropriate value that is returned to the caller. This value depends on the method return type like int method always return an integer value.

How do you pass and return an array in Java?

Use the Arrays class to both sort and display the entire array. Next, pass the array as the sole argument to a method that doubles each element of the array and then returns the array. Use a foreach loop to show all elements in the returned array on one line separated by a single space.

When an array is passed to a method?

You can pass arrays to a method just like normal variables. When we pass an array to a method as an argument, actually the address of the array in the memory is passed (reference). Therefore, any changes to this array in the method will affect the array.

How do I return two arrays in Java?

  1. Create a class representing a user. class User { String name; int[] values; // setters and getters for name, values } User[] doSomething() { User[] users = new User[10]; // fill the array return users; }
  2. Create a class representing the entire return value.

What is array length?

Summary. The length property of an array is an unsigned, 32-bit integer that is always numerically greater than the highest index of the array. The length returns the number of elements that a dense array has.

What is an array Java?

An array is a container object that holds a fixed number of values of a single type. The length of an array is established when the array is created. After creation, its length is fixed. … Each item in an array is called an element, and each element is accessed by its numerical index.

Can a function return an array?

So in simple words, Functions can’t return arrays in C. However, inorder to return the array in C by a function, one of the below alternatives can be used.