OOPS - getter , setter, equals and hashcode

devwithsumit · devwithsumit · commit 2bdeb302d026 · 2024-12-21T22:19:42.000+05:30
+
diff --git a/src/OOPS/Getter_Setter_Equals_Hashcode.java b/src/OOPS/Getter_Setter_Equals_Hashcode.java
@@ -0,0 +1,62 @@
+package OOPS;
+
+import java.util.Arrays;
+import java.util.Objects;
+
+
+
+public class Getter_Setter_Equals_Hashcode {
+    static class Demo {
+        private String name;
+        int age;
+
+        //constructor
+        public Demo(String name, int age) {
+            this.name = name;
+            this.age = age;
+        }
+
+        //getter for age
+        public int getAge() {
+            return age;
+        }
+        //setter for age
+        public void setAge(int age) {
+            this.age = age;
+        }
+        //getter for name
+        public String getName() {
+            return name;
+        }
+        //setter for name
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        //equals method
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            Demo demo = (Demo) o;
+            return age == demo.age && Objects.equals(name, demo.name);
+        }
+
+        // hashCode method
+        @Override
+        public int hashCode() {
+            return Objects.hash(name, age);
+        }
+        // toString method
+        @Override
+        public String toString() {
+            return STR."Demo{\n\tname: \{name},\n\tage: \{age},\n}";
+        }
+    }
+    public static void main(String[] args) {
+        Demo obj = new Demo("Sumit", 20);
+        obj.setName("sumit");
+        System.out.println(obj.getName());
+        System.out.println(obj.hashCode());
+    }
+}
