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Java Exercises: Create an array of string values

Java Basic: Exercise-95 with Solution

Write a Java program to create an array (length # 0) of string values. The elements will contain "0", "1", "2" … through ... n-1.

Pictorial Presentation:

Java Basic Exercises: Create an array of string values

Sample Solution:

Java Code:

import java.util.*; 
import java.io.*; 
 public class Exercise95 {
 public static void main(String[] args)
 {
    int n= 5;
	String[] arr_string = new String[n];
	
    for(int i = 0; i < n; i++)
        arr_string[i] = String.valueOf(i);                                  
	 System.out.println("New Array: "+Arrays.toString(arr_string)); 
	 }
}

Sample Output:

New Array: [0, 1, 2, 3, 4]

Flowchart:

Flowchart: Java exercises: Create an array of string values

Java Code Editor:

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Java: Tips of the Day

getEnumMap

Converts to enum to Map where key is the name and value is Enum itself.

public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) {
    return Arrays.stream(enumClass.getEnumConstants())
            .collect(Collectors.toMap(Enum::name, Function.identity()));
}

Ref: https://bit.ly/3xXcFZt