Create oops_classes_and_objects_basics.java

oops_classes_and_objects_basics.java

@@ -0,0 +1,32 @@
+import java.util.*;
+public class Program
+{
+        public static class Person
+        {
+            int age;
+            String name;
+            void sayHi()
+            {
+                System.out.println(name+" ["+age+"] says hi");
+            }
+        }	
+       public static void main(String[] args) 
+    {
+        Person p1=new Person();
+        p1.age=19;
+        p1.name="Jiya";
+        p1.sayHi();
+
+        Person p2=new Person();
+        p2.age=23;
+        p2.name="Yash";
+        p2.sayHi();
+
+        Person p3=p1;
+        //here the address values of p1 is assigned to p3
+        p3.age=20;
+        p3.sayHi();
+        p1.sayHi();
+        //here the modified changes in p3 also changes in p1 as the changes are made in the address
+	}
+}