OVERRIDING PROGRAM

class animal{
String food;
void makeNoise()
{
System.out.println("tin tin");
}
}

class lion extends animal {
void makenoise()
{
System.out.println("wer wer");
}
}

public class overriding {
public static void main(String[] args)
{
lion shera=new lion();
shera.makenoise();
}
}

OVERLOADING PROGRAM

class overloads {
String uniqueid;

public int addnums(int a,int b)
{
return  a + b;
}

public double addnums(double a,double b)
{
return a+b;
}

public void setuniqueid(String theid)
{
uniqueid = theid;
System.out.println("the uid is"+" "+uniqueid);
}

public void setuniqueid(int ssNumber)
{
String numstring = " " + ssNumber ;
uniqueid=numstring;
System.out.println("the uid is"+" "+uniqueid);
}
}

public class overloading {
public static void main(String[] args)
{
overloads joker = new overloads();
int a=22;
double b=13;
int c=joker.addnums(a,a);
System.out.println("the o/p ="+"  "+c);
double d=joker.addnums(b,b);
System.out.println("the o/p ="+"  "+d);
int m=342;
String s="banarasiya";
joker.setuniqueid(m);
joker.setuniqueid(s);
joker.setuniqueid(44);
joker.setuniqueid("cdzsds");

}
}

MULTIPLE INHERITANCE PROGRAM

interface months {
abstract void summer();
abstract void winter();
}

interface gender {
void male();
void female();
}



class important {
void tie()
{
System.out.println("wearing tie");
}
void belt()
{
System.out.println("wearing belt");
}
}

 class man extends important implements months,gender {
public void summer()
{
System.out.println("summer season");
}
public void winter()
{
System.out.println("winter season");
}
public void male()
{
System.out.println("a male");
}
public void female()
{
System.out.println("a female");
}
void shirt()
{
System.out.println("wearing shirt");
}
void trouser()
{
System.out.println("wearing trouser");
}
}

public class multi_inherit {
public static void main(String[] args)
{
man RAHUL=new man();
RAHUL.summer();
RAHUL.male();
RAHUL.belt();
RAHUL.shirt();
}
}

JAVA ARRAYLIST PROGRAM

import java.util.ArrayList;
public class listarray {
public static void main(String[] args)
{
ArrayList<String> sum= new ArrayList<String>();
System.out.println(sum.isEmpty());
String a="sdscs";
sum.add(a);
sum.add("sDCAS");
sum.add("ffsccs");
System.out.println(sum);
sum.remove(2);
System.out.println(sum);
sum.remove(a);
System.out.println(sum);
sum.add("Rahul");
System.out.println(sum);
sum.remove("sDCAS");
System.out.println(sum);
sum.add("65");
sum.add("Mano");
System.out.println(sum);
System.out.println(sum.size());
System.out.println(sum.contains("65"));
System.out.println(sum.isEmpty());
System.out.println(sum.indexOf("Mano"));
System.out.println(sum.get(2));
}
}

IF-ELSE PROGRAM

public class ifelse{
public static void main(String[] args)
{
boolean as=true;
if(as)
{
System.out.println("yes,u did it");
}
else
{
System.out.println("yes,u did it 222");
}
int a=27;
if(a>=33)
System.out.println( "the no: is"+a+"greater than 33");
else
System.out.println("the no: is"+a+"less than 33");
}
}

A CASINO GAME IN JAVA HAVE FUN...

class agame {
cricketer a;
void play() {
a=new cricketer();
a.run();
}
}

class cricketer {
String[] p={"dhoni","gambhir","yosuf","ashwin","kohli","jadeja","dhawan","kartik","yuvraj","sehwag","samson"};
score k;
void run() {
k=new score();
int m=0;
int a=1;
System.out.print("match  scorecard"+"\n");
while(m<=10)
{
System.out.print(a+"."+p[m]);
k.total();
m=m+1;
a=a+1;
}
k.netscore();
}
}

class score {
int num=0;
int y=0;
void total() {
int j=1;
int u=0;
int p;
while(j<=10)
{
p=(int)(Math.random()*20);
u=u+p;
j=j+1;
}
y=y+u;
System.out.println(" "+u);
}
void netscore()
{
System.out.print("\n\n\t\t\t"+"  total: "+y);
}
}

public class casino
{
public static void main(String[] args)
{
agame nw;
nw=new agame();
nw.play();
}
} 

BASIC PROGRAM SHOWING AVERAGING OF NUMBER

public class Average
{
public static void main(String[] args)
{
int a=9;
int b=55;
int c=109;
int average=(a+b+c)/3;
System.out.print("the average is \t " + average);
}
}