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Java Tutorial » Class Definition » Defining Class  
5.1.5.Checking whether the object referenced was of type StringPrevious/Next
class Animal {
  public Animal(String aType) {
    type = aType;
  public String toString() {
    return "This is a " + type;
  private String type;
public class MainClass {
  public static void main(String[] a) {
    Animal pet = new Animal("a");
    if (pet.getClass() == Animal.class) {
      System.out.println("it is an animal!");
it is an animal!
5.1.Defining Class
5.1.1. What Is a Java Class?
5.1.2. Fields
5.1.3. Defining Classes: A class has fields and methods
5.1.4. Creating Objects of a Class
5.1.5. Checking whether the object referenced was of type String
5.1.6. Class declaration with one method
5.1.7. Class declaration with a method that has a parameter
5.1.8. Class that contains a String instance variable and methods to set and get its value
5.1.9. Class with a constructor to initialize instance variables
5.1.10. Specifying initial values in a class definition