COnstructor ,static ,this and final demo

Author: CMPundhir

OOPs1.java

@@ -0,0 +1,37 @@
+//Constructors
+class Student{
+	int rn;
+	String name;
+	String subject;
+	static final String instituteName = "APSMind";
+	Student(){
+		System.out.println("I am default constructor.");
+	}
+	Student(int rn,String name){
+		System.out.println("I am parametrized(2) constructor.");
+		this.rn = rn;
+		this.name = name;
+	}
+	Student(int rn,String name,String subject){
+		this(rn,name);
+		System.out.println("I am parametrized(3) constructor.");
+		this.subject = subject;
+	}
+	public void showStudent(){
+		System.out.println(rn);
+		System.out.println(name);
+		System.out.println(subject);
+		System.out.println(instituteName);
+	}
+}
+
+class Simple{
+	public static void main(String[] args){
+		Student s = new Student(1,"Ramu Kaka");	
+		//s.instituteName = "ABCDEFG";
+		s.showStudent();
+		
+		Student s2 = new Student(2,"ABCX","Java");
+		s2.showStudent();
+	}
+}