Get runtime memory with Java code

To get total memory, maximum memory and free memory in Java Virtual Machine using Java code.

Get runtime memory with Java code

package java_runtimememory;

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class Java_RuntimeMemory {

    public static void main(String[] args) {
        System.out.println(Runtime.getRuntime().toString() + "\n");
        
        System.out.println("totalMemory: the total amount of memory in the Java "
                + "virtual machine.\n"
                + Runtime.getRuntime().totalMemory());

        System.out.println("maxMemory: the maximum amount of memory that the "
                + "Java virtual machine will attempt to use.\n" 
                + Runtime.getRuntime().maxMemory());

        System.out.println("freeMemory: the amount of free memory in the Java "
                + "Virtual Machine.\n" 
                + Runtime.getRuntime().freeMemory());
    }
}

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