INDEX SL.NO NAME OF PROGRAMS PAGE NO REMARKS PROGRAM TO FIND FACTORIAL OF THREE

Transcription

1 INDEX SL.NO NAME OF PROGRAMS PAGE NO REMARKS PROGRAM TO FIND FACTORIAL OF THREE 1 NUMBERS PROGRAM FOR SUM OF SERIES USING 2 MATHPOWER METHOD 3 PROGRAM ON COMMAND LINE ARGUMENT 4 PROGRAM TO PRINT FIBONACI NUMBERS 5 PROGRAM ON CONSOLE INPUT AND OUTPUT PROGRAM TO PRINT MULTIPLICATION 6 TABLE USING NESTED DO WHILE STATEMENT PROGRAM TO FIND LARGEST OF THREE 7 NUMBERS USING NESTING OF IF ELSE STATEMENT PROGRAM TO FIND AREA OF A ROOM USING 8 METHOD OVERLOADING PROGRAM TO FIND AREA AND VOLUME OF 9 A ROOM USING SINGLE INHERITANCE PROGRAM TO OBTAIN MARKS OF A 10 STUDENT IN DIFFERENT FIELDS USING INTERFACE 11 PROGRAM ON OVERRIDING METHODS 12 PROGRAM ON CONSTRUCTORS PROGRAM FOR CREATING OBJECTS AND 13 ACCESSING MEMBERS 14 PROGRAM FOR STATIC MEMBERS 15 NUMBER SORTING USING ARRAY PROGRAM ON MULTITHREADING WHICH 16 SHOWES 5,7 AND 13 TABLE 17 PROGRAM ON EXCEPTION HANDLING PROGRAM FOR DRAWING HUMAN FACE USING GRAPHICS PROGRAM TO OBTAIN SUM OF TWO NUMBERS USING APPLET PROGRAM TO SHOW CROSS LINES USING GRAPHICS APPLET

2 1) PROGRAM TO FIND FACTORIAL OF THREE NUMBERS. public class Factorial int fact(int n) if (n<=1) return 1; else return(n * fact(n-1)); public static void main (String arg[]) int fa,fb,fc; int a=4,b=5,c=6; Factorial f; f= new Factorial(); fa= f.fact(a); fb=f.fact(b); fc=f.fact(c); System.out.println("Factorial of " + a+ " is " +fa); System.out.println("Factorial of " + b+ " is " +fb); System.out.println("Factorial of " + c+ " is " +fc); Out put Factorial of 4 is 24 Factorial of 5 is 120 Factorial of 6 is 720

3 2) PROGRAM FOR SUM OF SERIES USING MATH POWER METHOD. public class Sum public static void main (String arg[]) int n=10; int i=0; int sum=0; int x=2; while(i<n) sum += Math.pow(x,i); i++; System.out.println( "Sum of the series 1 + X+X^2+X^3+...="+sum); Output Sum of the series 1 + X+X^2+X^3+...=1023

4 3) PROGRAM ON COMMAND LINE ARGUMENT. class Comline public static void main(string args[]) int count, i=0; String string; count= args.length; System.out.println(" Number of arguments = " + count); while(i<count) string = args[i]; i=i+1; System.out.println(i+ " : " + " java is " + string + "!"); Out put C:\J2SDK1~1.0\bin>javac Comline.java C:\J2SDK1~1.0\bin>java Comline Simple Robust secure Portable Number of arguments = 4 1 : java is Simple! 2 : java is Robust! 3 : java is secure! 4 : java is Portable!

5 4) PROGRAM TO PRINT THE FIBONACI SERIES. import java.io.*; public class Fibo /** Prompt user for a value of n, then print n Fibonacci numbers */ public static void main(string[] args) throws IOException BufferedReader rd = new BufferedReader (new InputStreamReader(System.in)); System.out.print("Enter value of n: "); String ns = rd.readline(); int n = Integer.parseInt(ns); int p = 0, c = 1, a; while (n-- > 0) System.out.println(c); a = p + c; p = c; c = a; Out put Enter value of n:

6 5) PROGRAM ON CONSOLE INPUT AND OUTPUT import java.io.*; public class Helloi public static void main(string[] args) throws IOException String name; BufferedReader kb = new BufferedReader(new InputStreamReader(System.in)); System.out.print("Please enter your name: "); name = kb.readline(); System.out.println("Hello " + name + "!"); System.out.println("Well come to the world of JAVA!"); System.exit(0); Out put Please enter your name: Shivani Hello Shivani! Well come to the world of JAVA

7 6) PROGRAM TO PRINT MULTIPLICATION TABLE USING NESTED DO WHILE STATEMENT class DowhileTest public static void main(string args[]) int row,column,y; System.out.println("Multiplication table\n"); row=1; do column=1; do y=row*column; System.out.print(""+y); column= column+1; while(column<=3); System.out.println("\n"); row=row+1; while(row<=3); Output Multiplication table

8 7) PROGRAM TO FIND LARGEST OF THREE NUMBERS USING NESTING OF IF ELSE STATEMENT class IfElseNesting public static void main(string args[]) int a=325,b=712,c=478; System.out.print("Largest value is :"); if(a>b) if (a>c) System.out.print(a); else System.out.print(c); else if(c>b) System.out.print(c); else System.out.print(b); Out put Largest value is: 712

9 8) PROGRAM TO FIND AREA OF A ROOM USING METHOD OVERLOADING class Room float length, breadth; Room(float x, float y) length=x; breadth=y; Room(float x) length=breadth=x; float area() return( length * breadth); class moverload public static void main(string args[]) Room room1= new Room(25.0f,15.0f); float roomarea=room1.area(); System.out.println("RoomArea = " +roomarea); Output Room Area = 375.0

10 9) PROGRAM TO FIND AREA AND VOLUME OF A ROOM USING SINGLE INHERITANCE class Room int length,breadth; Room(int x, int y) length=x; breadth=y; int area() return( length * breadth); class BedRoom extends Room int height; BedRoom(int x, int y, int z) super(x,y); height=z; int volume() return(length *breadth * height); class SingleInher public static void main(string args[]) BedRoom room1= new BedRoom(14,12,10); int area1 = room1.area(); int volume1= room1.volume(); System.out.println("Area1 = " +area1);

11 System.out.println("Volume1= " +volume1); Output Area1 = 168 Volume1= 1680

12 10) PROGRAM TO OBTAIN MARKS OF A STUDENT IN DIFFERENT FIELDS USING INTERFACE class Student int rollnumber; void getnumber(int n) rollnumber=n; void putnumber() System.out.println(" Roll No :" + rollnumber); class Test extends Student float part1,part2; void getmarks(float m1, float m2) part1=m1; part2=m2; void putmarks() System.out.println("Marks obtained"); System.out.println("part1=" + part1); System.out.println("part2=" + part2); interface Sports float sportwt = 6.0F; void putwt();

13 class Results extends Test implements Sports float total; public void putwt() System.out.println("Sports Wt= " +sportwt); void display() total=part1+part2+sportwt; putnumber(); putmarks(); putwt(); System.out.println("Total score = " + total); class Hybrid public static void main(string args[]) Results student1 = new Results(); student1.getnumber(1234); student1.getmarks(27.5f, 33.0F); student1.display(); Output Roll No :1234 Marks obtained part1=27.5 part2=33.0 Sports Wt= 6.0 Total score = 66.5

14 11) PROGRAM ON OVERRIDING METHODS class Super int x; Super(int x) this.x=x; void display() System.out.println("Super X = " +x); class Sub extends Super int y; Sub(int x, int y) super(x); this.y=y; void display() System.out.println("Super X = " +x); System.out.println("Super Y = " +y); class OverrideTest public static void main(string args[]) Sub s1= new Sub(100,200); s1.display(); Out Put Super X = 100 Super Y = 200

15 12 PROGRAM ON CONSTRUCTORS class Rectangle int length,width; Rectangle(int x, int y) length=x; width=y; int rectarea() return( length*width); class RectangleArea public static void main(string args[]) Rectangle rect1=new Rectangle(15,10); int area1=rect1.rectarea(); System.out.println("Area1 = " +area1); Output Area1 = 150

16 13) PROGRAM FOR CREATING OBJECTS AND ACCESSING MEMBERS class Rectangle int length,width; void getdata(int x, int y) length=x; width=y; int rectarea() int area= length*width; return(area); class RectArea public static void main(string args[]) int area1,area2; Rectangle rect1=new Rectangle(); Rectangle rect2= new Rectangle(); rect1.length=15; rect1.width=10; area1=rect1.length*rect1.width; rect2.getdata(20,12); area2=rect2.rectarea(); System.out.println("Area1 = " +area1); System.out.println("Area2 = " +area2); OutPut Area1 = 150 Area2 = 240

17 14) PROGRAM FOR STATIC MEMBERS class MathOperation static float multi (float x,float y) return x*y; static float divide (float x, float y) return x/y; class MathApplication public static void main(string args[]) float a =MathOperation.multi(4.0f, 5.0f); float b = MathOperation.divide(a, 2.0f); System.out.println("b= " +b); Output b= 10.0

18 15) PROGRAM FOR NUMBER RSORTING USING ARRAY class NumberSorting public static void main(static void main(string args[]) int number[]=55,40,80,65,71; int n = number.length; System.out.println("Given List: ); for(int i=0;i<n;i++) System.out.print(" "+numbe[i]); System.out.println("\n"); for(int i=0;i<n;i++) for(int j=i+1;j<n;j++) if(number[i]<number[j]) int temp=number[i]; number[i]=number[j]; number[j]=temp; System.out.println("Sorted List:"); for(int i=0;i<n;i++) System.out.println(" " + number[i]); System.out.println(" ");

19 OutPut Given List: Sorted List:

20 16) PROGRAM ON MULTITHREADING WHICH SHOWES 5,7 AND 13 TABLE class FiveTable extends Thread public void run() for(int i=1;i<=5;i++) System.out.println(i+ " Fives are " +(i*5)); class SevenTable extends Thread public void run() for(int i=1;i<=5;i++) System.out.println(i+ " Sevens are " +(i*7)); class ThirteenTable extends Thread public void run() for(int i=1;i<=5;i++) System.out.println(i+ " Thirteens are " +(i*13)); class MultiThreading public static void main(string args[]) FiveTable five; SevenTable seven; ThirteenTable thirteen; five= new FiveTable(); seven = new SevenTable(); thirteen = new ThirteenTable();

21 five.start(); seven.start(); thirteen.start(); Output 1 Fives are 5 1 Sevens are 7 1 Thirteens are 13 2 Fives are 10 2 Sevens are 14 2 Thirteens are 26 3 Fives are 15 3 Sevens are 21 3 Thirteens are 39 4 Fives are 20 4 Sevens are 28 4 Thirteens are 52 5 Fives are 25 5 Sevens are 35 5 Thirteens are 65

22 17) PROGRAM ON EXCEPTION HANDLING class error public static void main (String args[]) int a[]=5,10; int b=5; try int x= a[2]/b-a[1]; catch(arithmeticexception e) System.out.println("Division by zero"); catch(arrayindexoutofboundsexception e) System.out.println("Array index error"); catch(arraystoreexception e) System.out.println("Wrong Data type"); int y=a[1]/a[0]; System.out.println("y="+y); Out put Array index error y=2

23 18) PROGRAM FOR DRAWING HUMAN FACE USING GRAPHICS import java.awt.*; import java.applet.*; /*<APPLET CODE=Face.class WIDTH=250 HEIGHT=200> </APPLET>*/ public class Face extends Applet public void paint(graphics g) g.drawoval(40,40,120,150); g.drawoval(57,75,30,20); g.drawoval(110,75,30,20); g.filloval(68,81,10,10); g.filloval(121,81,10,10); g.drawoval(85,100,30,30); g.fillarc(60,125,80,40,180,180); g.drawoval(25,92,15,30); g.drawoval(160,92,15,30); Output

24 19) PROGRAM TO OBTAIN SUM OF TWO NUMBERS USING APPLET import java.awt.*; import java.applet.*; /*<APPLET CODE=UserIn.class WIDTH=250 HEIGHT=200> </APPLET>*/ public class UserIn extends Applet TextField text1,text2; public void init() text1 = new TextField(8); text2 = new TextField(8); add(text1); add(text2); text1.settext("0"); text2.settext("0"); public void paint (Graphics g) int x=0, y=0,z=0; String s1,s2,s; g.drawstring("input a number in each box ",10,50); try s1 = text1.gettext(); x=integer.parseint(s1); s2=text2.gettext(); y=integer.parseint(s2); catch(exception ex) z=x+y; s= String.valueOf(z); g.drawstring(" THE SUM IS: ", 10,75); g.drawstring(s,100,75);

25 public boolean action( Event event, Object obj) repaint(); return true; OUT PUT

26 20) PROGRAM TO SHOW CROSS LINES USING GRAPHICS APPLET import java.applet.*; import java.awt.*; /*<APPLET CODE = "Crossed.class" WIDTH = 600 HEIGHT = 600> </APPLET>*/ public class Crossed extends Applet public boolean handleevent( Event e) if(e.id == Event.WINDOW_DESTROY) System.exit(0); return(super.handleevent(e)); public void paint(graphics g) for(int i=0;i<400;i+= 10) g.drawline(0,i,i,0); g.drawline(i,400,400,i); for(int j=0,k=400;j<400;j+= 10,k -=10) g.drawline(0,k,400,j); g.drawline(0,j,k,400);

27 Out put of Crossed lines