import java.util.Scanner;
public class Greater
{
public static void main(String args[])
{
Scanner scr = new Scanner(System.in);
System.out.println("Enter value:");
int x=scr.nextInt();
System.out.println("Enter value:");
int y=scr.nextInt();
if(x>y)
{
System.out.println("Message : X is greater");
}
}
}
pro2
public class Factorial
{
public static void main(String args[])
{
int number = 10;
int fact = 1;
int i=1;
while( i<=number )
{
fact=fact*i;
System.out.println(i+"! ="+fact);
i++;
}
}
}
pro3
import java.util.Scanner;
class Circle
{
public static void main(String args[])
{
Scanner scr = new Scanner(System.in);
System.out.println("Enter a radius: ");
int radius= scr.nextInt();
float PI = 3.142f;
double area = PI * (radius * radius);
System.out.println("Area is:"+area);
double circumference= 2*PI*radius;
System.out.println( "\nCircumference is:”+circumference) ;
}
}
pro4
public class MethodOverload
{
int add()
{
return 50+60;
}
int add(int a,int b)
{
return a+b;
}
float add(float x,float y)
{
return x+y;
}
public static void main(String args[])
{
MethodOverload MO = new MethodOverload();
System.out.println("By using default values, sum is :"+MO.add());
System.out.println("SUM of two integers numbers is :"+MO.add(10,20));
System.out.println("SUM of two float numbers is :"+MO.add(10.5f,20.5f));
}
}
pro5
class addsub
{
int num1 = 10;
int num2 = 20;
int add()
{
return num1+num2;
}
int sub()
{
return num1-num2;
}
}
class multdiv extends addsub
{
int mul()
{
return num1*num2;
}
float div()
{
return num2/num1;
}
}
public class MathOp
{
public static void main(String arg[])
{
multdiv ml=new multdiv();
System.out.println("Addition =" +ml.add());
System.out.println("Subtraction =" +ml.sub());
System.out.println("Multiply =" +ml.mul());
System.out.println("Division =" +ml.div());
}
}
pro6
class Student
{
int rollno;
String name;
static String college="BCA DEGREE College";
Student(int r, String n)
{
rollno=r;
name=n;
}
void display()
{
System.out.println(rollno+" "+name+" "+college);
}
}
class StaticUse
{
public static void main(String[] args)
{
System.out.println("Objects sharing the static variable - college");
Student s1=new Student(111,"Avinash");
Student s2=new Student(112,"Sandhya");
s1.display();
s2.display();
System.out.println("Static value changed by one of the object");
s1.college="S.J.P.N BCA College";
s1.display();
s2.display();
}
}
pro7
import java.util.*;
class Student
{
Scanner sc=new Scanner(System.in);
Int Enrollment_id;
String name;
int sub1,sub2,sub3,total;
Student()
{
readInfo();
}
public void readInfo()
{
System.out.println("Enter Student Details");
System.out.println("Enrollment Id:");
Enrollment_id=sc.nextInt();
System.out.println("Name:");
name=sc.next();
System.out.println("Enter marks in 3 subjects:");
sub1=sc.nextInt();
sub2=sc.nextInt();
sub3=sc.nextInt();
if(sub1>=50 && sub2>=50 && sub3>=50)
{
total=sub1+sub2+sub3;
}
else
{
total=0;
}
}
public void display()
{
System.out.println(Enrollment_id+"\t\t"+name+"\t"+total);
}
}
public class StudentResult
{
public static void main(String args[])
{
Student s[]=new Student[3];
for(int i=0; i<3; i++)
{
s[i]=new Student();
}
System.out.println("Student Details");
System.out.println("Enrollment_id \t name \t total");
for(int i=0; i<3; i++)
{
s[i].display();
}
}
}
pro8
interface vehicleone
{
int speed=90;
public void distance();
}
interface vehicletwo
{
int distance=100;
public void speed();
}
class Vehicle implements vehicleone,vehicletwo
{
int time=5;
public void distance()
{
int distance=speed*time;
System.out.println("distance travelled is "+distance);
}
public void speed()
{
int speed=distance/time;
System.out.println("speed of distance travelled is "+speed);
}
}
class MultipleInheritance
{
public static void main(String args[])
{
Vehicle obj = new Vehicle();
System.out.println("Vehicle");
obj.distance();
obj.speed();
}
}
pro9
class ThreadExample extends Thread
{
public void run()
{
for(int i= 1; i<=5; i++)
{
System.out.println("Extending Thread is Running");
}
}
}
class RunnableThread implements Runnable
{
public void run()
{
for(int i= 1; i<=5; i++)
{
System.out.println("Runnable interface Thread is Running");
}
}
}
public class Thread_Test
{
public static void main(String[] args)
{
ThreadExample t1 = new ThreadExample();
t1.start();
RunnableThread t2 = new RunnableThread();
Thread thread = new Thread(t2);
thread.start();
}
}