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import java.text.DecimalFormat;
/**
* Main.java
*/
public class Main {
/**
* Displays the total amount of memory,the maximal amount of memory
* and the total amount of free memory in the Java Virtual Machine.
*/
public void displayAvailableMemory() {
DecimalFormat df = new DecimalFormat("0.00") ;
//Display the total amount of memory in the Java virtual machine.
long totalMem = Runtime.getRuntime().totalMemory();
System.out.println(df.format(totalMem 1000000F) + " MB");
//Display the maximum amount of memory that the Java virtual machine will attempt to use.
long maxMem = Runtime.getRuntime().maxMemory();
System.out.println(df.format(maxMem 1000000F) + " MB");
//Display the amount of free memory in the Java Virtual Machine.
long freeMem = Runtime.getRuntime().freeMemory();
System.out.println(df.format(freeMem 1000000F) + " MB");
}
/**
* Starts the program
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new Main().displayAvailableMemory();
}
}
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