temp class temp{public float temp1(float c){float f;f=(c+32)*9/5;return f;}}class temperature{public static void main(String args[]){temp t=new temp();float t1=t.temp1(25); System.out.println("the value of temp in fahrenite is"+t1);}} class fibbon{public void fibbo1(int s,int n){int c=0;System.out.println("the fibonacci series is:");System.out.println(s);do{ c=c+1;s=s+n; System.out.println("/t"+s); n=s-n;}while(c!=10);}}class fibbo{public static void main(String args[]){fibbon f=new fibbon();f.fibbo1(0,1);}} class fact{long i,s=1;long factorial(int n){for(i=n;i!=0;i--){s=s*i;}return s;}}class facto{public static void main(String args[]){fact f=new fact();long f1=f.factorial(3);System.out.println("the factorial is:"+ f1);}} class SumofDigit {int i,a,b,c,d,e,f,g,h,j; int SumDigit(int i) { a=i/10000; b=i%10000; c=b/1000; d=b%1000; e=d/100; f=d%100; g=f/10; h=f%10; j=a+c+e+g+h; return j;}}public class DigitSum{public static void main(String args[]){ SumofDigit obj=new SumofDigit();int fact=obj.SumDigit(654); System.out.println("the sum of digits of numbers is"+fact);}} class comlintest{public static void main(String args[]){int count,i=0;String string;count=args.length; System.out.println("no. ofarguments="+count);while(i
0){ rem=(n%10)+(rem*10); n=n/10; }System.out.println("the reverse of a number:"+rem);} catch(Exception e){System.out.println(e);} class PatternDisplayTest{public static void main(String args[]){intc=0,r;for(r=1;r<10;r++){for(c=1;c<=r;c++){System.out.print(r); }System.out.println();}}} class testrnumber[]={50,65,56,71,81};int even=0,odd=0;for(inti=0;i=80 && avg<100) System.out.println("honors");else if(avg>=60 && avg<=79)System.out.println("you have I div")else if(avg>=50 && avg<=59) System.out.println("you have II div"); else if(avg>=40 && avg<=49) System.out.println("you have III div");else if(avg>=0 && avg<=39) System.out.println("you are fail");}} public class CityMenu{ public static void main(String a[] { char choice; try { System.out.println("Choose ur city:");System.out.println("M=Mumbai");System.out.println("C=Chennai");System.out.println("D=Delhi");System.out.println("N=Nagpur";switch(choice=(char)System.in.read()) { case 'M': System.out.println("your city is Mumbai, whose population is 10 crore.") break; case 'C': System.out.println("your city is Chennai, whose population is 3 crore."); break; case 'D': System.out.println("your city is Delhi, whose population is 5 crore."; break; case 'N': System.out.println("your city is Nagpur, whose population is 1 crore."); break; default: System.out.println("invalid choice"); break; } } catch(Exception e){ }}} import java.io.*;public class TableTest { public static void main(String args[]) { int i,j=1,n; try{BufferedReader br =newBufferedReader(newInputStreamReader(System.in)); System.out.println("Enter the number whose table you want"); n=Integer.parseInt(br.readLine()); for(i=1;i<=n;i++) { System.out.println("The Table of "+i); do { System.out.println(i +" * "+j+" = "+ (i*j)); j++; }while(j<=10); j=1; } } catch(Exception e) { System.out.println(e); }}} public class SortOrder { public static void main(String args[]) { int[] a={5,9,2,8,3}; int i,j,t; for(i=0;i<4;i++) { for(j=i+1;j<5;j++) { if (a[i]>a[j]) { t=a[i]; a[i]=a[j]; a[j]=t; }}} System.out.println("The sorted numbers are:\n"); for(i=0;i<5;i++) System.out.println(a[i]);} } public class SortString { static String strArr[]={"now","we","are","planning","to","do","java","program"};public static void main(String args[]){ for(int j=0;j<strArr.length;j++) { for(int i=j+1;i<strArr.length;i++) { if(strArr[i].compareTo(strArr[j])<0) { String t=strArr[j];strArr[j]=strArr[i];strArr[i]=t;}}System.out.println(strArr[j]);}}} public class StringMethodTest{ protected StringMethodTest() { } public static void main(final String[] args) { String string1,string2,string3,string4; string1=new String("Answer"); string2=new String("ANSWER"); string3=new String("Java is a platform independent language"); string4=new String(" Hello World "); System.out.println("String A is "+ string1); System.out.println("String B is "+string2); if(string1.equals(string2)) { System.out.println("String A and String B have same content"); } else { System.out.println("String A and String B have different content"); } if(string1.compareTo("Answer")==0) { System.out.println("String A have same content alphabetically as Answer"); } else{ System.out.println("String A have different content alphabetically from Answer");} System.out.println("String C is "+string3); System.out.println("index oft="+string3.indexOf('t'));System.out.println("Substring of String 3 is: "+string3.substring(6)); System.out.println("Another Substring of String 3 is: "+string3.substring(3,8)); System.out.println("Concatenation with String 3 is: "+string3.concat(" The feature Of Java")); System.out.println("Replacement in String 3 is: "+string3.replace('p', 'f')); System.out.println(" String 4 is: "+ string4); System.out.println(" String 4 trimmed as: "+string4.trim());}} Import java.awt.*;import java.applet.*;public class HelloJavaParam extends Applet{ String str; public void init() { str= getParameter("string"); if(str==null) str="Java"; str="Hello "+str; } public void paint(Graphics g) { g.drawString(str, 10, 100); }} .htmlfileWelcome import java.awt.*;import java.applet.*;public class Face extends Applet { public void paint(Graphics g) { g.setColor(Color.PINK); g.drawOval(40, 40, 120, 150);//HEAD g.fillOval(40, 40, 120, 150); g.setColor(Color.MAGENTA); g.drawOval(57, 75, 30, 20);//Left Eye g.drawOval(110,75,30,20);//Right Eye g.fillOval(68,81,10,10); //Pupil Left eye g.fillOval(121, 81, 10, 10);//Pupil Right eye g.drawOval(85, 100, 30, 30);//Nose g.fillArc(60, 125, 80, 40, 180, 180);//Mouth g.drawOval(25, 92, 15, 30);//Left Ear g.drawOval(160,92, 15,30);//Right ear}} Welcome import java.awt.*;public class DemoBorder extends Frame{Button bnorth = new Button("North");Button bwest = new Button("West");Button bsouth = new Button("South");Button beast = new Button("East");Button bcenter = new Button("Center");public DemoBorder() { setLayout(new BorderLayout());add(bnorth,BorderLayout.NORTH);add(bwest ,BorderLayout.WEST);add(bsouth,BorderLayout.SOUTH);add(beast,BorderLayout.EAST);add(bcenter,BorderLayout.CENTER);setBackground(Color.gray); setTitle("BorderLayoutDemo");setResizable(true);setSize(250,250);setVisible(true);} public staticvoidmain(Stringargs[]){newDemoBorder();}} import java.awt.*;import java.awt.event.*;public class ButtonDemo extends Frame implements ActionListener{Button bRed;Button bBlue;Button bGreen;Button bYellow;Button bPink; publicButtonDemo(){setLayout(null);bRednewButton("RED");bBlue=newButton("BLUE");bGreen=newButton("GREEN");bYellow=newButton("YELLOW");b Pink=newButton("PINK");add(bRed);add(bBlue);add(bGreen);add(bYellow);add(bPink);bRed.setBounds(25,50,60,30);bBlue.setBounds(25,100,60,30);bGre en.setBounds(25,150,60,30);bYellow.setBounds(25,200,60,30);bPink.setBounds(25,250,60,30);bRed.addActionListener(this);bBlue.addActionListener(thi s);bGreen.addActionListener(this);bYellow.addActionListener(this);bPink.addActionListener(this);setTitle("ClickbuttontoviewColor");setSize(300,300);s etVisible(true);}publicvoidactionPerformed(ActionEventae){if(ae.getSource()==bRed){setBackground(Color.red);}elseif(ae.getSource()==bBlue){setBackg round(Color.blue);}elseif(ae.getSource()==bGreen){setBackground(Color.green);}elseif(ae.getSource()==bYellow){setBackground(Color.yellow);}else{set Background(Color.pink);}} publicstaticvoidmain(Stringarg[]){newButtonDemo();}}OUTPUT:=>C:\jdk1.5.0\bin>javacButtonDemo.javaC:\jdk1.5.0\bin>javaButtonDemo Password importjava.awt.*;importjava.awt.event.*;importjava.applet.*;publicclassAdminextendsFrameimplementsActionListener{TextField t1, t2;Button b1,b2;String msg= "";Label l1, l2;Font f; public Admin(){setLayout(null);t1= new TextField("");t2= new TextField("");b1= new Button("Fine");b2=newButton("Cancle");l1=newLabel("UserName");l2=newLabel("Passward");t2.setEchoChar('*');f=new Font("Arial",Font.ITALIC,15);l1.setBounds(25,40,80,25);t1.setBounds(125,40,80,25);l2.setBounds(25,80,80,25);t2.setBounds(125,80,80,25);b1.setBounds( 45,140,60,25);b2.setBounds(125,140,80,25);b1.setFont(f);b2.setFont(f);add(l1);add(t1);add(l2);add(t2);add(b1); add(b2);b1.addActionListener(this);b2.addActionListener(this);setTitle("Welcome");setBackground(Color.gray);setSize(250,250);setVisible(true);setResi zable(false);addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent we){System.exit(0);}});}public void actionPerformed(ActionEvent ae){if(ae.getSource()==b1){if(t1.getText().equals("Admin")){ if(t2.getText().equals("system")){msg="LoginSuccessfully";}elsemsg="LoginFailed";}else{msg="Tryagain!!!!";}}else{System.exit(0);}repaint();} public void paint(Graphics g){g.drawString(msg,100,200);g.setColor(Color.red);g.setFont(f); } public static void main(String arg[]){new Admin();}}OUTPUT:=>C:\JDK15~1.0\bin>javacAdmin.javaC:\JDK15~1.0\bin>java Admin Checkbox import java.awt.*;import java.awt.event.*;public class CBGEvent extends Frame implements ItemListener{Labell1;CheckboxchkPlay,chkNet,chkRead,chkWrite;CheckboxGroupcbg;Stringmsg="";publicCBGEvent(){setLayout(newFlowLayout(FlowL ayout.LEFT));l1=newLabel("TickoneofyourHobby");cbg=newCheckboxGroup();chkPlay=newCheckbox("Playing",cbg,true);chkNet=newCheckbox("NetSur fing",cbg,true);chkRead=newCheckbox("Reading",cbg,true);chkWrite=newCheckbox("Writing",cbg,true);add(l1);add(chkPlay);add(chkNet);add(chkRead) ;add(chkWrite);chkPlay.addItemListener(this);chkNet.addItemListener(this);chkRead.addItemListener(this);chkWrite.addItemListener(this);l1.setBckgro und(newColor(223,153,123));setTitle("Hobbies");setSize(200,200);setBackground(Color.pink);setVisible(true);}publicvoiditemStateChanged(ItemEventie) {msg="YourHobbyis:";msg+=cbg.getSelectedCheckbox().getLabel();repaint();}publicoidpaint(Graphicsg){g.drawString(msg,20,150);g.setColor(Color.red); }public static void main(String args[]){newCBGEvent();}}OUTPUT:=>C:\JDK15~1.0\bin>javac CBGEvent.javaC:\JDK15~1.0\bin>java CBGEvent importjava.awt.*;publicclassListDemoextendsFrame{Labell1=newLabel("ClickurOption");publicListDemo(){Listdish,toppings;LabellCity,lSub;setLayout(n ewGridLayout(2,2));lCity=newLabel("SelectyourfavoDish");lSub=newLabel("SelectyourfavoToppings");dish=newList(1,false);toppings=newList(1,true);dis
h.add("Pizza");dish.add("Burger");dish.add("Noodles");dish.add("Sizzler");dish.add("Cutlets");toppings.add("Cheese");toppings.add("Paneer");toppings.a dd("Corn");toppings.add("Vegetable");toppings.add("Mushrooms");add(lCity);add(dish);add(lSub);add(toppings);setBackground(newColor(175,162,105)); setTitle("DemoofListBox");setSize(280,185);setVisible(true);}publicstaticvoidmain(Stringarg[]){newListDemo();}}OUTPUT:=>C:\JDK15~1.0\bin>javacListDe mo.javaC:\JDK15~1.0\bin>java ListDemo