Java Exercises: Input and display your password

Java Basic: Exercise-42 with Solution

Write a Java program to input and display your password.

Pictorial Presentation:

Java: Input and display your password

Sample Solution:

Java Code:

import java.io.Console;
public class Example42 {
	public static void main(String[] args) {
		Console cons;
		if ((cons = System.console()) != null) {
			char[] pass_ward = null;
			try {
				pass_ward = cons.readPassword("Input your Password:");
				System.out.println("Your password was: " + new String(pass_ward));
			} finally {
				if (pass_ward != null) {
					java.util.Arrays.fill(pass_ward, ' ');
		} else {
			throw new RuntimeException("Can't get password...No console");

Sample Output:

Input your Password:                                                    
Your password was: [email protected]


Flowchart: Java exercises: Input and display your password

Java Code Editor:

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Java: Tips of the Day


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