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TRANSCRIPT
Progr@m~ 51Aim: Write a program to create class with same name and different signature. Class Sample{
void add(int a,int b){
System.out.println("sum of two="+(a+b));}void add(int a,int b,int c){
System.out.println("sum of three="+(a+b+c));}
}class OverLoad{
public static void main(String arg[]){
Sample s = new Sample();s.add(20,25);s.add(20,25,30);
}}Output:
Progr@m ~52Aim: Write a program that contain Super and Subclass with same name and Same signature.class Animal{
void move(){
System.out.println("Animals can move");}
}class Dog extends Animal{
void move(){
System.out.println("Dogs can walk and run");}
}public class OverRide{
public static void main(String arg[]){
Animal a = new Animal();Animal b = new Dog();a.move();b.move();
}}
Output:
Progr@m ~53
Aim: Write a program to show the use of static polymorphism. class Animal{
static void move(){
System.out.println("Animals can move");}
}class Dog extends Animal{
static void move(){
System.out.println("Dogs can walk and run");}
}public class StaticPoly{
public static void main(String arg[]){
Animal.move();Dog.move();
}}
Output:
Progr@m~ 54
Aim: Write a program for abstract class using abstract method & class.
abstract class saurabh{
abstract void abstractmethod();
void nonabstract(){
System.out.println("this is concret method");}
}
class Child extends vipal{
void abstractmethod(){
System.out.println("B is must be impliment of abstract method");}
} class AbstactDemo1{
public static void main(String a[]){
Child b=new Child();b.abstractmethod();b.nonabstract();
}}Output:
Progr@m~ 55
Aim: Write a program to create person class which contain general details of person and create a sub class employ which contain company details of a person. Reuse the general details of the person class using inheritance.
class Person{
String name;String PerametarAdress;int age;void setpermentDetail(String name,String PerametarAdress,int age){
this.name=name;this.PerametarAdress=PerametarAdress;this.age=age;
}
void getPermentDetail(){
System.out.println("name="+name);System.out.println("PerametarAdress="+PerametarAdress);System.out.println("age="+age);
}}class Employ extends Person{
int id;String compnyname;String companiadress;Employ(int id,String compnyname,String companiadress,String name,String PerametarAdress,int age ){
this.id=id;this.companiadress=companiadress;this.compnyname=compnyname;
}
void getEmployDetail(){
System.out.println("id adress"+id);System.out.println("companiname="+compnyname);System.out.println("companiadress="+companiadress);
}}
class InheriDemo1{
public static void main(String a[]){
Employ e1=new Employ(202,"softwer","amdavad","saurabh","ghandhinagar",20);e1.getEmployDetail();
}}
Output:
Progr@m~ 56Aim:Write a program to illustrate order calling of default constructor to Super & Sub class.class One{
One(){
System.out.println("super class defolt call");}
}class Two extends One{
Two(){System.out.println("sub class defolt consructor calld");}
}class Const{
public static void main(String a[]){
Two t=new Two();}
}
Output:
Progr@m ~57
Aim: Write a program to using Super keyword to access superclass, variable, class A{
int x;A(int x){
this.x=x;}void show(){
System.out.println("super class method;x="+x);}
}class B extends A{
int y;B(int a,int b){
super(a);y=b;
}void show(){
super.show();System.out.println("y="+y);System.out.println("super x="+super.x);
}}class SuperUse{
public static void main(String a[]){
B ob=new B(10,20);ob.show();
}}
Output:
Progr@m ~58
Aim: Write a program to convert the one class father in to mother in using superclass sub class. interface Father{
double Property=1000;double Hight=5.6;
}interface Mother{
double Property=30000;double Hight=5.4;
}class Myclass implements Father,Mother{
void show(){
System.out.println ("total proparty="+(Father.Property+Mother.Property));System.out.println ("total Hight="+(Father.Hight+Mother.Hight));
}}class InetrFaceDemo{
public static void main(String a[]){
Myclass ob=new Myclass();ob.show();
}}Output:
PRACTIC@L~59
AIM: Write a java application which show use of instance of operator.
public class P59{
public static void main( String arg[]){
P59 DemoObj=new P59();if (DemoObj instanceof P59){
System.out.println(" DemoObj is a
instance of demo class");}else{
System.out.println(" DemoObj is not
a instance of demo class");}
}}
OUTPUT:
PRACTIC@L~60AIM: Write a java application which show use of interface
interface Shape{
void area();void volume();double pi=3.14;
}class Circle implements Shape{
double r;Circle(double radius){
r=radius;}public void area(){
System.out.println("Area os a circle is :"+pi*r*r);}public void volume()
{System.out.println("Volume of a rectangle is :"+2*pi*r);
}}class Rectangle implements Shape{
double l,b;Rectangle(double length,double breadth){
l=length;b=breadth;
}public void area(){
System.out.println("Area of a reactangle is " +l*b);}public void volume(){
System.out.println("Volume of a rectangle :"+2*(l+b));}
}class P60{
public static void main(String arr[]){
Circle ob1=new Circle(10.2);ob1.area();ob1.volume();Rectangle ob2=new Rectangle(12.6,23.55);ob2.area();ob2.volume();
}}
Output:
PRACTIC@L-61
AIM: Write a java application related to interface.
interface Calculator {
int add(int a,int b);int subtract(int a,int b);int multiply(int a,int b);int divide(int a,int b);
}class P61 implements Calculator{
public int add(int a,int b){
return a+b;}
public int subtract(int a,int b){
return a-b;}public int multiply(int a,int b){
return a*b;}public int divide(int a,int b){
return a/b;}
public static void main(String args[]){
P61 c=new P61();System.out.println("Value after addition = "+c.add(5,2));System.out.println("Value after Subtraction = "+c.subtract(5,2));System.out.println("Value after Multiplication = "+c.multiply(5,2));System.out.println("Value after division = "+c.divide(5,2));
}}
Output:
PRACTIC@L-62AIM: Write a java application to illustrate how to achieve multiple inheritance using interfaces.
interface Father{
double PROPERTY=10000;double HEIGHT=5.6;
}interface Mother{
double PROPERTY=30000;double HEIGHT=5.4;
}class Myclass implements Father,Mother{
void show(){
System.out.println("Total Propert is:"+(Father.PROPERTY+Mother.PROPERTY));System.out.println("Average height is:"+(Father.HEIGHT + Mother.HEIGHT)/2);
}}class P62{
public static void main(String arr[]){
Myclass obj1= new Myclass();obj1.show();
}}
OUTPUT:
PRACTIC@L-64AIM: Write a program to show how to creat a subpackeg in a packeg
Package Pack1.Pack2;public class Sample{
public void show(){
System.out.println("Hello.java saurabh kadia");}
}
Output:
Progr@m~ 63.1AIM:write a program to genret packet in to pack and insurch addition and subsretion in class file in to pacage
package pack;public class Adiition
{private double d1,d2;public Adiition(double a,double b){d1=a;d2=b;}public void sum(){System.out.println("addition is="+(d1+d2));}}Output:
import pack.Adiition;class Use{public static void main(String a[]){Adiition c1=new Adiition(10,20);c1.sum();}}Output:
package pack;public class Subtetion
{private double d1,d2;public Subtetion(double a,double b){d1=a;d2=b;}public void sub(){System.out.println("substretion is="+(d1-d2));}}
Output:
Program 63 -2import pack.Subtetion;import pack.Adiition;
class Use{public static void main(String a[]){Adiition c1=new Adiition(10,20);c1.sum();Subtetion c2=new Subtetion(10,20);c2.sub();}}
Progr@m~65AIM:Write a program to the using of Stream file input string class
import java.io.*;class FileInput{
public static void main(String args[])throws Exception{
int i;int n;int m;InputStream obj=new
FileInputStream("D:\baurabh.txt");System.out.println("total avlbal
byte="+(n=obj.available()));
m=n-400;
System.out.println(m);for(i=0;i<m;i++)
System.out.println("\n Skiping some tex");obj.skip(n/2);
System.out.println("\n skip
avlabal="+obj.available());
obj.close();}
}
Out put:
Progr@m~66AIM:Write a progtam to show the file output string class
import java.io.*;
class FileOutput{
public static void main(String a[])throws Exception{
String s="saurabh kadia \n"+"and so nice man";byte b[]=s.getBytes();OutputStream obj=new FileOutputStream("baurabh.txt");for(int i=0;i<b.length;i++)obj.write(b[i]);System.out.println("\n the data is write");obj.close();
}
}
Output:
Progr@m~ 67;AIM:write a program to show the datainput class and dataoutput class in the sring class
import java.io.*;class DataSteram{
public static void main(String a[])throws Exception{
DataOutputStream obj=new DataOutputStream(new FileOutputStream("baurabh.txt"));
obj.writeUTF("saurabh");obj.writeDouble(55.5);obj.writeUTF("subham");obj.writeInt(52);obj.writeUTF("saurav");obj.writeChar('a');obj.close();
DataInputStream in=new DataInputStream(new FileInputStream("baurabh.txt"));System.out.println(in.readUTF()+":"+in.readDouble());System.out.println(in.readUTF()+":"+in.readInt());System.out.println(in.readUTF()+":"+in.readChar());
}}
Output:
Progr@m ~68AIM:write a program the show buffaredinput class and buffaredoutput class in the string function
import java.io.*;class BufferedDemo{
public static void main(String a[])throws Exception{
DataOutputStream obj=new DataOutputStream(new BufferedOutputStream(new FileOutputStream("baurabh.txt")));
obj.writeUTF("saurabh");obj.writeDouble(55.5);obj.writeUTF("subham");obj.writeInt(52);obj.writeUTF("saurav");obj.writeChar('a');obj.close();
DataInputStream in=new DataInputStream(new BufferedInputStream(new FileInputStream("baurabh.txt")));
System.out.println(in.readUTF()+":"+in.readDouble());System.out.println(in.readUTF()+":"+in.readInt());System.out.println(in.readUTF()+":"+in.readChar());
}}
Output:
Progr@m~ 69:AIM:Writea program to genret the releted to random accesh file class
import java.io.*;
class RandomAcces{
public static void main(String[] a)throws IOException{
RandomAccessFile in=new RandomAccessFile("Rendom_Input.txt","rw");
in.setLength(0);for(int i=0;i<10;i++)
in.writeInt(i);in.seek(0);System.out.println("contors of the file");for(int i=0;i<10;i++)System.out.print("\n aa="+in.readInt());System.out.println("\n length of file row="+in.length());
in.seek(0);System.out.println("\n a="+in.readInt());in.seek(3*4);System.out.println("\n read four no="+in.readInt());
in.seek(6*4);in.writeInt(100);
System.out.println("\n modifictoin of sevanth row=");in.seek(in.length());
in.writeInt(500);System.out.println("\t aplet the no");in.seek(0);System.out.println("\n view of file");for(int i=0;i<10;i++)System.out.println("\n ans= "+in.readInt());in.close();
}}Output:
PROGR@M~ 70AMI:write a program to show objectinput and objectoutput class
import java.io.*;class ObjectDemo
{public static void main(String a[])throws ClassNotFoundException,IOException{
ObjectOutputStream o=new ObjectOutputStream (new FileOutputStream("baurabh.txt"));
o.writeObject(new java.util.Date());o.close();ObjectInputStream d=new ObjectInputStream(new
FileInputStream("baurabh.txt"));java.util.Date date=(java.util.Date)(d.readObject());System.out.println("\n the data is="+date);d.close();
}}
Output:
Progr@m ~71AIM:write a program to creat throw using thread class
class MyThread extends Thread{
public void run(){
System.out.println("this tread is running...");}
}class ThreadDemo{
public static void main(String a[]){
MyThread t=new MyThread();t.start();
}}
Out put
Progr@m ~71AIM:write a program to creat throw using thread class
class A extends Thread{
public void run(){
for(int i=1;i<=5;i++){
System.out.println("\t From ThreadA: i= "+i);}System.out.println("Exit from A");
}}class B extends Thread{
public void run(){
for(int j=1;j<=5;j++){
System.out.println("\t From ThreadB: j= "+j);}System.out.println("Exit from B");
}}class C extends Thread{
public void run(){
for(int k=1;k<=5;k++){
System.out.println("\t From ThreadC: k= "+k);}System.out.println("Exit from C");
}}class ThreadTest{
public static void main(String args[]){
A dt1=new A();dt1.start();B dt2=new B();dt2.start();C dt3=new C();dt3.start();
}}
Output:
Progr@m ~72AIM:write a program creat throws using runebal interface
class A implements Runnable{
public void run(){
for(int i=1;i<=5;i++){
System.out.println("\t From ThreadA: i= "+i);}System.out.println("Exit from A");
}}class B implements Runnable{
public void run(){
for(int j=1;j<=5;j++){
System.out.println("\t From ThreadB: j= "+j);}System.out.println("Exit from B");
}}class C implements Runnable{
public void run(){
for(int k=1;k<=5;k++){
System.out.println("\t From ThreadC: k= "+k);}System.out.println("Exit from C");
}}class ThreadTest1{
public static void main(String args[]){
A dt1=new A();Thread t1=new Thread(dt1);t1.start();B dt2=new B();Thread t2=new Thread(dt2);t2.start();C dt3=new C();Thread t3=new Thread(dt3);
t3.start(); }
}
Output:
Progr@m ~73AIM:write a program to genret to threads priority
class A extends Thread{
public void run(){
System.out.println("Thread A started");for(int i=1;i<=4;i++){
System.out.println("\t From ThreadA: i= "+i);}System.out.println("Exit from A");
}}class B extends Thread{
public void run(){
System.out.println("Thread B started");for(int j=1;j<=4;j++){
System.out.println("\t From ThreadB: j= "+j);}System.out.println("Exit from B");
}}
class C extends Thread{
public void run(){
System.out.println("Thread C started");for(int k=1;k<=4;k++){
System.out.println("\t From ThreadC: k= "+k);}System.out.println("Exit from C");
}}class ThreadPriority{
public static void main(String args[]){
A threadA=new A();B threadB=new B();C threadC=new C();threadC.setPriority(Thread.MAX_PRIORITY);
threadB.setPriority(threadA.getPriority()+1);threadA.setPriority(Thread.MIN_PRIORITY);threadA.start();threadB.start();threadC.start();
}}
Output:
Progr@m ~74AIM:write a program to thread togenret the syncronization
class MyThread implements Runnable {
String account;public MyThread(String s) {
account = s;}public void run(){
account.deposit();}
} class YourThread implements Runnable {
String account;public YourThread (String s) {
account = s;}public void run() {
account.withdraw(); }
} class HerThread implements Runnable {
String account;public HerThread (String s) {
account = s; }public void run() {
account.enquire(); }
} class InternetBankingSystem1 {
public static void main(String [] args ) {
MyThread accountObject=new MyThread(); Thread t1 = new Thread(new MyThread(accountObject));
Thread t2 = new Thread(new YourThread(accountObject));Thread t3 = new Thread(new HerThread(accountObject));t1.start();t2.start();t3.start();
} }class Account {
int balance;int deposit_amount;
public synchronized void deposit( ) {
balance += deposit_amount;}
public synchronized void withdraw( ) {
balance -= deposit_amount;}
public synchronized void enquire( ) { // display balance;
}
}Output:
Progr@m ~75AIM:write a program to genret using exception try and catch blockclass Exception{
public static void main(String args[]){
int a=10;int b=0,c;try{
c=a/b;}catch(ArithmeticException e){
System.out.println("divide by zero");}
}}Output
Progr@m~76 AIM:write a program to the multy catch block to genret programpublic class MultiCatch{
public static void main(String a[]){
int array[]={20,30,40};int num1=15, num2=0;int res=0;try{
res=num1/num2;System.out.println("throws is ans:"+res);for(int s=2;s>=0;s++){
System.out.println("the value of array :"+array[s]);}
}catch(ArrayIndexOutOfBoundsException e){
System.out.println("error is bound");}catch(ArithmeticException e)
{System.out.println("can de divaid by zero");
}}
}
Output:
Progr@m~ 77AIM:write a program to gentret the handling unreadabal code problam
public class Hndaling{
public static void main(String args[]){
String atr="Excetion";int len=0;try{
StringBuffer a=new StringBuffer(atr);len=atr.length();for(int c=len;c>=0;c--){
System.out.println(a.charAt(c));}
}catch(Exception e)
{System.out.println(e);
}}
}Output:
Progr@m~78AIM:write a program to genret the releted to Excception handling using “Throw” keyword
class ThrowD{
static void demoproc(){
try{
throw new NullPointerException("demo");
}catch(NullPointerException e)
{System.out.println("Caught inside demo:");throw e;
}}public static void main(String a[]){
try{
demoproc();
}catch(NullPointerException e){
System.out.println("recaught:"+e);}
}}
Output:
Progr@m~79AIM:write a program to genret the releted to Excception handling using “Throws” keyword
class ThrowsDe{
static void throwone()throws IllegalAccessException{
System.out.println("inside throwes");
throw new IllegalAccessException("demo");}public static void main(String a[]){
try{
throwone();}catch(IllegalAccessException e){
System.out.println("cauthy"+e);}
}}
Output:
Progr@m~80AIM:write a program to genret the releted to Excception handling using “Finally” keyword
public class Exce{
public static void main(String a[]){
int s[]=new int[2];try{
System.out.println("acces element trows :"+s[3]);}catch(ArrayIndexOutOfBoundsException e){
System.out.println("Exception trows:"+e);}finally{
s[0]=6;System.out.println("first element value is:"+s[0]);System.out.println("the finaly element is:");
}}
}
Output:
Progr@m ~81AIM :Write a program to genret creat the diagram
import java.applet.*;
import java.awt.*;/*<applet code="Hello" width="500" height="500"></applet>*/
public class Hello extends Applet{
public void init(){
setBackground(Color.black);}
public void paint (Graphics g) { for(int i=0;i<=500;i++)
{ g.setColor(Color.green); g.drawLine(i,0,500,500); i+=49;
}
}}Output:
progr@m~82Aim:write a program to genret the to following diagram2
import java.applet.*;import java.awt.*;/*<applet code="design2" width="500" height="500"></applet>*/public class design2 extends Applet{public void init(){} public void paint (Graphics g) { g.setColor(Color.green); g.drawLine(10,10,60,60); g.setColor(Color.red); g.fillRect(70,70,50,50); g.setColor(Color.green); g.fillRect(120,120,50,50);
}}Output:
