Test.java in https://medium.com/@metebalci/interpretation-jit-and-aot-compilation-in-the-jvm-3b61c8da5503#.hqfansx5j

Test.java

public class Test {
  
  public int f() throws Exception {
    int a = 5;
    return a;
  }
  
  public static void main(String[] args) throws Exception { 
    
    for (int i = 1; i <= 10; i++) {
      System.out.println("call " + Integer.valueOf(i));
      long a = System.nanoTime();
      new Test().f();
      long b = System.nanoTime();
      System.out.println("elapsed= " + (b-a));
      
    }
  }
}