class Parent
{
public Parent()
{
System.out.println("Parent Constrcutor");
}
}
class Child extends Parent
{
public Child()
{
System.out.println("Child Constructor");
}
}
class GrandChild extends Child
{
public GrandChild()
{
System.out.println("Grand Child Constructor");
}
public static void main(String[] args)
{
GrandChild c=new GrandChild();
}
}
import java.lang.*;
class Subject
{
private String subID;
private String name;
private int maxMarks;
private int marksObtains;
public Subject(String subID,String name,int maxMarks)
{
this.subID=subID;
this.name=name;
this.maxMarks=maxMarks;
}
public String getSubID(){return subID;}
public String getName(){return name;}
public int getMaxMarks(){return maxMarks;}
public int getMarksObtains(){return marksObtains;}
public void setMaxMarks(int mm)
{
maxMarks=mm;
}
public void setMarksObtain(int m)
{
marksObtains=m;
}
boolean isQualified()
{
return marksObtains>=maxMarks/10*4;
}
public String toString()
{
return"\n SubjectID: "+subID+"\n Name "+name+"\n MarksObtained "+marksObtains;
}
}
public class SCLoops {
public static void main(String[] args)
{
Subject subs[]=new Subject[3];
subs[0]=new Subject("s101","DS",100);
subs[1]=new Subject("s102","Algorithms",100);
subs[2]=new Subject("s103","Operating Systems",100);
for(Subject s:subs)
System.out.println(s);
}
}
class Rectangle
{
private double length;
private double breadth;
public double getLength()
{
return length;
}
public double getBreadth()
{
return breadth;
}
public void setLength(double l)
{
if(l>=0)
length=l;
else
length=0;
}
public void setBreadth(double b)
{
if(b>=0)
breadth=b;
else
breadth=0;
}
public double area()
{
return getLength()*getBreadth();
}
public double perimeter()
{
return 2*(length+breadth);
}
public boolean isSquare()
{
if(length==breadth)
return true;
else
return false;
}
public static void main(String[] args) {
Rectangle r=new Rectangle();
r.setLength(10.5);//check with negative values.
r.setBreadth(5.5);
System.out.println("Area "+r.area());
System.out.println("Perimeter "+r.perimeter());
System.out.println("Is Square "+r.isSquare());
System.out.println("Length "+r.getLength());
System.out.println("Breadth "+r.getBreadth());
}
}
class Circle
{
public double radius;
public double area()
{
return Math.PI*radius*radius;
}
public double perimeter()
{
return 2*Math.PI*radius;
}
public double circumference()
{
return perimeter();
}
public static void main(String[] args) {
Circle c1=new Circle();
c1.radius=7;
System.out.println("Area:"+c1.area());
System.out.println("Perimeter:"+c1.perimeter());
System.out.println("Circumference:"+c1.circumference());
}
}
public class Main {
public static void main(String[] args) {
int result = sum(10);
System.out.println(result);
}
public static int sum(int k) {
if (k > 0) {
return k + sum(k - 1);
} else {
return 0;
}
}
}
public class MethodPractice {
/*static int max(int x,int y)
{
if(x>y)
return x;
else
return y;
}*/
static void inc(int x)
{
x++;
System.out.println(x);
}
public static void main(String[] args) {
/*int a=10,b=15;
//System.out.println(max(a,b));
MethodPractice mp=new MethodPractice();
System.out.println(mp.max(a,b));*/
int a=10,b=15;
inc(a);
System.out.println(a);
}
}
public class SCMethod1
{
int gcd(int m,int n)
{
while(m!=n)
{
if(m>n)m=m-n;
else n=n-m;
}
return m;
}
public static void main(String[] args)
{
SCMethod1 x=new SCMethod1();
System.out.println(x.gcd(35,56));
}
static boolean isPrime(int n)
{
for(int i=2;i<n/2;i++)
{
if(n%i==0)
return false;
}
return true;
}
}
