Java System.getProperty Method [ 2024 ]
Java System.getProperty Method
The Java System.getProperty() method retrieves system properties and key-value(KV) pairs that provide configuration and environment details about the Java runtime and the operating system. The System class is part of the java.lang default package. It provides a collection of static methods and fields that offer system-level functionality.
Syntax
The general syntax of the method call is as follows:
System.getProperty(key);
The method signatures are:
public static String getProperty(String key)
key: The name of the system property to retrieve.
public static String getProperty(String key, String defaultValue)
key: The name of the system property to retrieve.
defaultValue: A default value to return if the specified property is not found.
Example
For example, you can use the method to retrieve the Java version as follows:
String javaVersion = System.getProperty(“java.version”);
System.out.println(“Java version: ” + javaVersion);
In the above example, the Java version system property is retrieved and printed to the console.
Java Tutorials
Java Tutorial on this website:
For more information on Java, visit the official website :
