Java Test 6 – High Level

interface A {
   default void greet() {
      System.out.println("Hello from A");
   }
}

interface B {
   default void greet() {
      System.out.println("Hello from B");
   }
}

class C implements A, B {
   public void greet() {
       A.super.greet();
   }
}

List list = Arrays.asList(1, 2, 3);
list.set(1, 10);
System.out.println(list);

try {
    int a = 5 / 0;
} catch (ArithmeticException e) {
    System.out.println("Error");
}

String s = null;
System.out.println(s == null ? "is null" : s.toString());

String a = "abc";
String b = "ab" + "c";
System.out.println(a == b);

String s = "hello";
System.out.println(s.replace("l", ""));

int[] arr = new int[3];
System.out.println(arr[1]);