“Java Instanceof” Kode Jawaban

Java Instanceof

class Main {

  public static void main(String[] args) {

    // create a variable of string type
    String name = "Programiz";
    
    // checks if name is instance of String
    boolean result1 = name instanceof String;
    System.out.println("name is an instance of String: " + result1);

    // create an object of Main
    Main obj = new Main();

    // checks if obj is an instance of Main
    boolean result2 = obj instanceof Main;
    System.out.println("obj is an instance of Main: " + result2);
  }
}
SAMER SAEID

Java Instance dari operator

class Main {
  public static void main(String[] args) {

    String str = "Programiz";
    boolean result;

    // checks if str is an instance of
    // the String class
    result = str instanceof String;
    System.out.println("Is str an object of String? " + result);
  }
}
rono schngr

Java Instance dari kata kunci

public class Main {
  public static void main(String[] args) {
    Main myObj = new Main();
    System.out.println(myObj instanceof Main); // returns true
  }
}
naly moslih

Java Instanceof

// Java Program to check if an object of the subclass
// is also an instance of the superclass
// superclass
class Animal {
}

// subclass
class Dog extends Animal {
}
class Main {
  public static void main(String[] args) {
    // create an object of the subclass
    Dog d1 = new Dog();
    // checks if d1 is an instance of the subclass
    System.out.println(d1 instanceof Dog);        // prints true
    // checks if d1 is an instance of the superclass
    System.out.println(d1 instanceof Animal);     // prints true
  }
}
SAMER SAEID

Contoh dari Java

@Test
public void givenWhenInstanceIsCorrect_thenReturnTrue() {
    Ring ring = new Ring();
    Assert.assertTrue(ring instanceof Round);
}
Nguyen Nguyen

Java Instance dari operator

objectName instanceOf className;
SAMER SAEID

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