Properties String getProperty(String key) method Example Program

Searches for the property with the specified key in this property list. If the key is not found in this property list, the default property list, and its defaults, recursively, are then checked. The method returns null if the property is not found.

Program

package com.candidjava;

/* 
 * @author : Mohan 
 * @description : The java.lang.System.getProperty(String key) method gets the system property indicated by the specified key.
 */
public class PropertiesGetProperty {
	public static void main(String[] args) {

		// prints the name of the system property
		System.out.println(System.getProperty("user.dir"));

		// prints the name of the Operating System
		System.out.println(System.getProperty("os.name"));

		// prints Java Runtime Version
		System.out.println(System.getProperty("java.runtime.version"));
	}
}

Output

Explanation

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