Print all System Properties java

Print all System Properties java

If you are trying to find some system properties value and not able to get it then you could use below sample code which will prints all System properties:

package com.javahonk.sysproperties;

import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;

public class PrintSystemProperties {

    public static void main(String[] args) {

    Properties properties = System.getProperties();
    Set<Entry<Object, Object>> set = properties.entrySet();

    for (Entry<Object, Object> entry : set) {           
        System.out.println("Key: "+ entry.getKey()
                +"  Value: "+entry.getValue());     
    }   

    }
}

Output was big showing only first 10 line from console:

Below are list of important system properties use frequently by the user: