Java: Check whether a security manager has already been established for the current application or not

Java Basic: Exercise-89 with Solution

Write a Java program to check whether a security manager has already been established for the current application or not.

Sample Solution:

Java Code:

import java.lang.*;

public class Exercise89 {
    public static void main(String[] args) {
        // Print a message indicating the display of the system security interface
        System.out.println("System security interface:");

        // Retrieve and print the system security manager using System.getSecurityManager()
        System.out.println(System.getSecurityManager());
    }
}

Sample Output:

System security interface:                                             
null

Flowchart:

Java Code Editor:

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