CoreJava 0n System.exit(int x)

System.exit() method exit current program by terminating running Java virtual machine.

0 -> Successful terminate
Non Zero ->  Genarally indicate unsuccessful terminate

// A Java program to demonstrate working of exit() import java.util.*; import java.lang.*; class GfG {     public static void main(String[] args)     {         int arr[] = {1, 2, 3, 4, 5, 6, 7, 8};         for (int i = 0; i < arr.length; i++)         {             if (arr[i] >= 5)             {                 System.out.println("exit...");                 // Terminate JVM                 System.exit(0);             }             else                 System.out.println("arr["+i+"] = " +                                   arr[i]);         }         System.out.println("End of Program");     } }