Java.lang.Runtime Class
Java Runtime Class
Java.lang package provides a Runtime class and Every Java application has a single instance of class Runtime that allows the application to interface with the environment in which the application is running.
Class declaration
The declaration of java.lang.Runtime class is:
public class Runtime extends Object
java.lang.Runtime Methods
The java.lang.Runtime class has a number of methods which are listed below:
Member Methods
S.N | Methods & Description |
---|---|
1. |
long freeMemory() Returns the amount of free memory in the Java Virtual Machine. |
2. |
long maxMemory() Returns the maximum amount of memory that the Java virtual machine will attempt to use. |
3. |
long totalMemory() Returns the total amount of memory in the Java virtual machine. |
Methods inherited
This class inherits the methods of following class:
- java.lang.Object