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What is the purpose of the Runtime class?

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Pragya Keshap answered on February 4, 2023 Popularity 1/10 Helpfulness 1/10

answer What is the purpose of the Runtime class?

What is the purpose of the Runtime class?

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The purpose of the Runtime class is to provide access to the Java

Runtime system. This class provides certain important methods like:

1. Runtime.freeMemory() – This method returns the value of

free memory in JVM

2. Runtime.maxMemory() - This method returns the value of

maximum memory that JVM can use.

3. Runtime.gc() – This method can invoke garbage collection.

public class RuntimeTest {
   static class Message extends Thread {
      public void run() {
         System.out.println(" Exit");
      }
   }
   public static void main(String[] args) {
      try {
         Runtime.getRuntime().addShutdownHook(new Message());
         System.out.println(" Program Started...");
         System.out.println(" Wait for 5 seconds...");
         Thread.sleep(5000);
         System.out.println(" Program Ended...");
      } catch(Exception e) {
            e.printStackTrace();
      }
   }
}

https://www.tutorialspoint.com/what-is-the-importance-of-runtime-class-in-java#:~:text=Runtime%20class%20is%20a%20subclass,is%20associated%20with%20a%20program.

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java runtime

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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