Java Source Codes

Signatu re Not Verified

Vidit Kothari Digitally signed by Vidit Kothari DN: cn=Vidit Kothari, o=Photo Vision, ou=Home, c=IN Date: 2006.10.17 00:45:08 Z

// This program has been written to show the implementation of Constructor Overloading and Parameterized Constructor. import java.io.*; class Program01 { int a,b; public Program01() { a=20; b=43; } public Program01(int a,int b) { this.a=a; this.b=b; } public void findSum() { int sum=a+b; System.out.println("Sum of " + a + b + "=" + sum); } public void findDiff() { int diff=a-b; System.out.println("Difference between " + a + b + " = " + diff); } public void findProduct() { int product=a*b; System.out.println("Product of " + a + b + " = " + product); } public void findQuotient() { int quotient=a/b; System.out.println(a + " divided by " + b + " = " + quotient); } public static void main(String args[]) { Program01 x=new Program01(); Program01 y=new Program01(10,51); x.findSum(); x.findDiff(); x.findProduct(); x.findQuotient(); System.out.println(); y.findSum(); y.findDiff(); y.findProduct(); y.findQuotient(); } }

// // // // // //

Program to print series 1 12 123 1234 12345

import java.io.*; class Program02_1 { public static void makeSeries_a() { for(int i=1;i<6;i++) { for(int j=1;j
class Program02_1_1 { public static void main(String args[]) { for(int i=-3;i<=1;i++) { for(int j=1;j<=(i+4);j++) { System.out.print(j); } System.out.println(); } } } // Program to print series // 12345 // 1234 // 123 // 12 // 1 import java.io.*; class Program02_2 { public static void makeSeries_a() { for(int i=5;i rel="nofollow">=1;i--) { for(int j=i;j>=1;j--) { System.out.print("*"); } System.out.println(); } } public static void makeSeries_a(int a) { for(int i=a;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print("*"); } System.out.println(); } } public static void makeSeries_1() { for(int i=6-1;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print(j); } System.out.println();

} } public static void makeSeries_1(int a) { for(int i=a;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print(j); } System.out.println(); } } public static void main(String arg[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); makeSeries_a(); makeSeries_1(); System.out.println(); System.out.println("Enter a number till which a series will be be printed"); int a=Integer.parseInt(y.readLine()); makeSeries_1(a); makeSeries_a(a); } } // Program to print series // 1 // 12 // 123 // 1234 // 12345 import java.io.*; class Program02_3 { public static void makeSeries_a() //It will print * ** *** **** ***** { for(int i=1;i<=5;i++) { for(int j=1;j
System.out.println(); } } public static void makeSeries_m() //It will print***** **** *** ** * { for(int i=5;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print("*"); } System.out.println(); } } public static void makeSeries_m(int a) //It will print ..... ***** **** *** ** * { for(int i=a;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print("*"); } System.out.println(); } } public static void makeSeries_1() //It will print 1 12 123 1234 12345 { for(int i=1;i<=5;i++) { for(int j=1;j=1;i--) { for(int j=i;j>=1;j--) { System.out.print(j); }

System.out.println(); } } public static void makeSeries_1m(int a) //It will print ..... 54321 4321 321 21 1 { for(int i=a;i>=1;i--) { for(int j=i;j>=1;j--) { System.out.print(j); } System.out.println(); } } public static void main(String arg[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); makeSeries_1(); makeSeries_1m(); System.out.println(); makeSeries_a(); makeSeries_m(); System.out.println(); System.out.println(); System.out.println("Enter a number till which a series will be be printed"); int a=Integer.parseInt(y.readLine()); System.out.println(); makeSeries_1(a); makeSeries_1m(a); System.out.println(); makeSeries_a(a); makeSeries_m(a); } } import java.io.*; class Program03 { public void getMagicNum(int n) { int a=0; while(a==0) { a=a+n/10; } if(a==1) System.out.println("The number entered is a Magic Number"); else System.out.println("The number entered is not a Magic Number"); } public static void main(String args[])throws IOException { InputStreamReader z=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(z);

System.out.println("Enter a number"); int n=Integer.parseInt(y.readLine()); Program03 x=new Program03(); x.getMagicNum(n); } } class Program04_1 { public static void main(String args[]) { for(int i=5;i>0;i--) { for(int j=i;j<=5;j++) { System.out.print(j); } System.out.println(); } } } class Program04_2 { public static void main(String args[]) { for(int i=0;i<5;i++) { for(int j=(5-i);j<=5;j++) { System.out.print(j); } System.out.println(); } } } class Program04_3 { public static void main(String args[]) { for(int i=1;i<=5;i++) { for(int j=(5-(i-1));j<=5;j++) { System.out.print(j); } System.out.println(); } } }

// // // // // //

Program to print 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1

class Program05 { public static void main(String args[]) { int x=1; for(int i=1;i<=5;i++) { for(int j=1;j<=i;j++) { System.out.print(x + "\t"); if(x==1) x=0; else x=1; } System.out.println(); }}} class Program06_1 { public static void main(String args[]) { int a=5; for(int i=1;i<=5;i++) { for(int j=1;j<=a;j++) { System.out.print(j); } System.out.println(); a--; } } } class Program06_2 { public static void main(String args[]) { for(int i=5;i>0;i--) { for(int j=1;j<=i;j++) { System.out.print(j); } System.out.println(); } } }

class Program06_3 { public static void main(String args[]) { for(int i=4;i>=0;i--) { for(int j=1;j<=(i+1);j++) { System.out.print(j); } System.out.println(); } } } class Program07_1 { public static void main(String args[]) { for(int i=-3;i<=1;i++) { for(int j=1;j>=i;j--) { System.out.print(" "); } for(int j=(i+4);j>=1;j--) { System.out.print(j); } System.out.println(); } } } class Program07_2 { public static void main(String args[]) { for(int g=1;g<=5;g++) { for(int k=1;k<=g;k++) { System.out.print(" "); } for(int j=g;j>=1;j--) { System.out.print(j); } System.out.println(); } } } class Program08_1 { public static void main(String args[])

{ for(int i=5;i>=1;i--) { for(int j=5;j>=i;j--) { System.out.print(j); } System.out.println(); } } } class Program08_2 { public static void main(String args[]) { for(int i=5;i>=1;i--) { for(int j=1;j<=i;j++) { System.out.print(" "); } for(int j=5;j>=i;j--) { System.out.print(j); } System.out.println(); } } } import java.io.*; class Program09_1 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter A Sentence (String)"); String s=y.readLine(); s=s+" "; int sl=s.length(); char c; for(int i=0;i<=sl-1;i++) { c=s.charAt(i); if(c==' ') { for(int j=0;j<=i;j++) { System.out.print(s.charAt(j)); } System.out.println(); } }

} } import java.io.*; class Program09_2 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter A Sentence (String)"); String s=y.readLine(); s=s+" "; int sl=s.length(); char c; for(int i=sl-1;i>=0;i--) { c=s.charAt(i); if(c==' ') { for(int j=i;j>=0;j--) { System.out.print(s.charAt(j)); } System.out.println(); } } } } import java.io.*; class Program09_3 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter A Sentence (String)"); String s=y.readLine(); s=" "+s; int sl=s.length(); char c; int k=0; for(int i=sl-1;i>=0;i--) { c=s.charAt(i); if(c==' ') { k=i; for(int j=i;j<=sl-1;j++) { System.out.print(s.charAt(j)); } System.out.println(); } } } }

class ASCII_1 { public static void main(String args[]) { for(int n=1;n<=100;n++) { char a=(char)n; System.out.print(a); } System.out.println(); } } class ASCII_2 { public static void main(String args[]) { char a=(char)33; System.out.print(a); } } import java.io.*; class ASCII_3 { public static void ASCII(int a) { char c=(char)a; System.out.println(); System.out.println("The ASCII character for "+a+" is "+c); } public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a number"); int a=Integer.parseInt(y.readLine()); ASCII(a); } } import java.io.*; class Ch_1 { public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader (System.in)); System.out.println("Enter a sentence"); String sen=y.readLine(); int sl=sen.length(); int a=0; for(int i=0;i<sl;i++) { for(int k=0;k<=i;k++) { char b=sen.charAt(i); System.out.println(b); } } } }

import java.io.*; class Ch_2 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter a sentence"); String sen=y.readLine(); String v="AEIOUaeiou"; int nv=0,nc=0,nbs=0,nspc=0,nd=0; int vl=v.length(); int senl=sen.length(); for(int i=0;i<senl;i++) { char c=sen.charAt(i); if((c>='A' && c<='Z') || (c>='a' && c<='z')) { for(int k=0;k=1 && c<=9) nd++; else nspc++; } System.out.println(" Number of vowels = " + nv); System.out.println(" Number of consonants = " + nc); System.out.println(" Number of digits = " + nd); System.out.println(" Number of special characters = " + nspc); } } class Account { private int ac_num; private String ac_name; private float bal; public Account() { ac_num=0; ac_name=null; bal=0.0f; } public void getValue(int a, String c, float b) { ac_num=a; ac_name=c; bal=b; }

public void display() { System.out.println("Account number = " + ac_num); System.out.println("Account holder's name = " + ac_name); System.out.println("Account balance = " + bal); } public void deposit(float ba) { bal=bal+ba; System.out.println("New amount after depositing " + ba + " = " + bal); } public void withdrawl(float bala) { bal=bal+bala; System.out.println("New amount after withdrawing " + bala + " = " + bal); } public static void main (String args[]) { Account x=new Account(); x.getValue(5456375,"Vidit",9000991); x.display(); x.deposit(10099); x.withdrawl(0); x.display(); } } class BankAccount { int AcNum; String AcName; float AcBalance; public BankAccount() { AcNum=0; AcName=null; AcBalance=0.0f; } public BankAccount(int acnum, String acname, float acbalance) { AcNum=acnum; AcName=acname; AcBalance=acbalance; } } class Employee_001 { int code,basic,PF; float hra,da; String name; public Employee_001() { basic = 0; hra = 0.0f; da=0.0f; PF=0;

} public Employee_001(int b,int c, String n) { basic = b; code = c; name = n; hra = 0.1f*basic; da = 0.55f*basic; PF = 1000; } public static void main(String args[]) { Employee_001 x = new Employee_001(50000,12351,"Vidit"); double NetSalary=(x.basic+x.da+x.hra)-x.PF; System.out.println("NetSalary of " + x.name + " = " + NetSalary); } } class Employee_002 { int basic; double hra,da,PF; static Employee_002 x=new Employee_002(100000); public Employee_002(int bas) { basic = bas; hra = (25.0/100.0) * basic; da = (15.0/100.0) * basic; PF = 2.0*((12.0/100.0) * basic); } public void findGross() { double gr=(x.hra + x.da + x.basic)-(x.PF / 2.0); System.out.println("Gross Income = " + gr); } public static void main(String args[]) { x.findGross(); } } class SeriesFunctions { public static double findFormula(double a,double b) { double formula=((4.25*a) + (b*b)) / (a-b); return formula; } public static void main(String args[]) { double a=2.2d,b=3.5d; for(int i=1;i<=5;i++) { System.out.println(findFormula(a,b)); a=a+0.1; b=1+b; } } }

import java.io.*; class Input_WCnt { public static void main(String args[])throws IOException { BufferedReader y = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Type a sentence"); String a = y.readLine(); int c=0,b,d,f; b = a.length(); for( d=0; d<=(b-1); d++) { if (a.charAt(d) == (' ')) { c+=1; } } System.out.println(c+1); } } import java.io.*; class Input_WCnt_2 { public static void main(String args[])throws IOException { BufferedReader y = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Type a sentence"); String a = y.readLine(); int c=0,b,d,f; b = a.length(); char e; for( d=0; d<=(b-1); d++) { e = a.charAt(d); if (e == (' ')) { c+=1; } } System.out.println(c+1); } } import java.io.*; class Series_InputSentence { public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println("ENTER A WORD"); String word=y.readLine(); int wl=word.length(); char c; for(int i=0;i<wl;i++) { c=word.charAt(i);

for(int x=1;x<=i;x++) { System.out.print(" "); } System.out.println(c); } } } import java.io.*; class Series_InputWord { public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println(" ENTER A SENTENCE"); String word=y.readLine(); int wl=word.length(); char c; int j=0; char wr; for(int i=0;i<wl-1;i++) { c=word.charAt(i); if (c==' ') { for(j=0;j
Array

import java.io.*; class Search_1 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); int a[]={10,16,23,5,13,18,9,11,53,79}; System.out.println("Enter a number to be searched"); int n=Integer.parseInt(y.readLine()); int z=0; for(int i=0;i<10;i++) { if(n==a[i]) { System.out.println("the index of " + n + " = " + (i+1)); z++; } } if(z==0) System.out.println("Your number did not match with any number"); } } import java.io.*; class Search_2 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); int a[]={10,16,23,5,13,18,9,11,53,79}; System.out.println("Enter a number to be searched"); int n=Integer.parseInt(y.readLine()); for(int i=0;i<10;i++) { if(n==a[i]) { System.out.println("the index of " + n + " = " + (i+1)); break; } else if(i==9 && n!=a[i]) { System.out.println("Your number did not match with any number"); break; } } } } import java.io.*; class Search_3 { public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in);

BufferedReader y=new BufferedReader(x); System.out.println("Enter two numbers to be searched"); int a1=Integer.parseInt(y.readLine()); int a2=Integer.parseInt(y.readLine()); int a[]={10,16,23,5,13,18,9,11,53,79}; System.out.println(); System.out.println(); System.out.println("For " + a1); for(int i=0;i<10;i++) { if(a1==a[i]) { System.out.println("the index of " + a1 + " = " + (i+1)); break; } else if(i==9 && a1!=a[i]) { System.out.println("Your number did not match with any number"); break; } } System.out.println(); System.out.println(); System.out.println("For " + a2); for(int i=0;i<10;i++) { if(a2==a[i]) { System.out.println("the index of " + a2 + " = " + (i+1)); break; } else if(i==9 && a2!=a[i]) { System.out.println("Your number did not match with any number"); break; } } } } import java.io.*; class Search_4 { public void numSearch(int b)throws IOException { for(int i=1;i<=b;i++) { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter the number to be searched"); int n=Integer.parseInt(y.readLine()); int a[]={10,16,23,5,13,18,9,11,53,79}; for(int j=0;j<10;j++) {

if(n==a[j]) { System.out.println("the index of " + n + " = " + (j+1)); break; } else if(j==9 && n!=a[j]) { System.out.println("Your number did not match with any number"); break; } } System.out.println(); } } public static void main(String args[])throws IOException { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter how many numbers you have to search"); int ns=Integer.parseInt(y.readLine()); Search_4 o=new Search_4(); o.numSearch(ns); } } import java.io.*; class LinearSearch_1 { public static void main(String args[])throws IOException { BufferedReader x=new BufferedReader(new InputStreamReader(System.in)); String s[]={"UTTAR PRADESH","KERALA","WEST BENGAL","TAMILNADU","BIHAR", "KARNATAKA","MADHYA PRADESH","MAHARASHTRA","ANDHRA PRADESH","MIZORAM"}; String c[]={"LUCKNOW","TIRUVANANTHPURAM","KOLKATA","CHENNAI","PATNA", "BANGALORE","BHOPAL","MUMBAI","HYDERABAD","AIZAWL"}; System.out.println("Enter a name of a state whose capital you want to know"); String st=x.readLine(); for(int i=0;i<10;i++) { if(st.equalsIgnoreCase(s[i])) { System.out.println("The capital of " + s[i] + " is " + c[i]); break; } else if(i==9 && st.toUpperCase()!=s[i]) { System.out.println("No matches found"); break; } } } }

import java.io.*; class LinearSearch_2 { public void stateSearch(int n)throws IOException { BufferedReader x=new BufferedReader(new InputStreamReader(System.in)); String s[] = {"UTTAR PRADESH","KERALA","WEST BENGAL","TAMILNADU","BIHAR", "KARNATAKA","MADHYA PRADESH","MAHARASHTRA","ANDHRA PRADESH","MIZORAM"}; String c[] = {"LUCKNOW","TIRUVANANTHPURAM","KOLKATA","CHENNAI","PATNA", "BANGALORE","BHOPAL","MUMBAI","HYDERABAD","AIZAWL"}; for(int j=1;j<=n;j++) { System.out.println("Enter a name of a state whose capital you want to know"); String st=x.readLine(); for(int i=0;i<10;i++) { if(st.equalsIgnoreCase(s[i])) { System.out.println("The capital of " + s[i] + " is " + c[i]); break; } else if(i==9 && st.toUpperCase()!=s[i]) { System.out.println("No matches found"); break; } } } } public static void main(String args[])throws IOException { BufferedReader x=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Number of states to be searched"); int n=Integer.parseInt(x.readLine()); LinearSearch_2 ob=new LinearSearch_2(); ob.stateSearch(n); } } import java.io.*; class Accept_Sum { public static void main(String args[])throws IOException { int nums[]=new int[10]; InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); int so=0,se=0; for(int i=0;i<=9;i++) { System.out.println("Enter Ten (10) numbers"); nums[i]=Integer.parseInt(y.readLine()); if(nums[i]%2==0) se+=nums[i]; else so+=nums[i]; } System.out.println(" Total sum of the even numbers = " + se); System.out.println(); System.out.println(" Total sum of the odd numbers = " + so); } } import java.io.*; class Accept_Sum_new { public static void main(String args[])throws IOException { BufferedReader x=new BufferedReader(new InputStreamReader(System.in)); String n[]={"Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine"}; System.out.println("Enter the number(0-9) which to be spelt"); int num=Integer.parseInt(x.readLine()); for(int i=0;i<10;i++) { if(num==i) { System.out.println(num + " in letters is " + n[i]); break; }

else if(i==9 && num!=i) { System.out.println("Not match found"); break; } } } } //This program is to show how to accept anything in array enabled variable import java.io.*; class Basic_Accept { public static void main(String args[])throws IOException { int r[]=new int[5]; String name[]=new String[5]; for(int i=0;i<=4;i++) { InputStreamReader x=new InputStreamReader(System.in); BufferedReader y=new BufferedReader(x); System.out.println("Enter Name"); name[i]=y.readLine(); System.out.println("Enter Roll No."); r[i]=Integer.parseInt(y.readLine()); System.out.println(); } System.out.println("Name\t\tRoll No."); for(int i=0;i<=4;i++) { System.out.println(name[i] + "\t\t" + r[i]); } } }

Functions

import java.io.*; class Func_pl_mi_pr_di { public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a number "); double n1=Double.parseDouble(y.readLine()); System.out.println("Enter another number"); double n2=Double.parseDouble(y.readLine()); Func_Subs.subs(n1,n2); Func_Sum.sum(n1,n2); Func_Pro.pro(n1,n2); Func_Quo.quo(n1,n2); } }

import java.io.*; class Func_Subs { public static double subs(double a, double b) { double diff=a-b; System.out.println("The difference of " + a + " and "+ b +" = " + diff); return diff; } }

import java.io.*; class Func_Pro { public static double pro(double a, double b) { double pro=a*b; System.out.println("The difference of " + a + " and "+ b +" = " + pro); return pro; } }

import java.io.*; class Func_Quo { public static double quo(double a, double b) { double quo=a/b; System.out.println("The difference of " + a + " and "+ b +" = " + quo); return quo; } }

import java.io.*; class Func_Sum { public static double sum(double a, double b) { double sum=a+b; System.out.println("The sum of " + a + " and "+ b +" = " + sum); return sum; } } ---------------------------------------------------------------------------------------------------------

import java.io.*; class Func_Max_Char_Main { public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a sentence"); String s1=y.readLine(); System.out.println(); System.out.println("Enter another sentence"); String s2=y.readLine(); Func_Max_Char obj1=new Func_Max_Char(); obj1.string(s1,s2); } }

class Func_Max_Char { public static void string(String a, String b) { int aa=a.length(),bb=b.length(); if (aa>bb) { System.out.println(); System.out.println("The first sentence has more characters"); } else if(bb>aa) { System.out.println(); System.out.println("The second sentence has more characters"); } else { System.out.println(); System.out.println("Both the sentences have the same number of characters"); } } }

class SeriesFunctions { public static double findFormula(double a,double b) { double formula=((4.25*a) + (b*b)) / (a-b); return formula; } public static void main(String args[]) { double a=2.2d,b=3.5d; for(int i=1;i<=5;i++) { System.out.println(findFormula(a,b)); a=a+0.1; b=1+b; } } }

import java.io.*; class Func_Max_Num { public static void string(int a,int b) { if (a>b) { System.out.println(); System.out.println("The first number is greater"); } else if (b>a) { System.out.println(); System.out.println("The second number is greater"); } else { System.out.println(); System.out.println("Both numbers are equal"); } } public static void main(String args[])throws IOException { BufferedReader y=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a number"); int s1=Integer.parseInt(y.readLine()); System.out.println(); System.out.println("Enter another number"); int s2=Integer.parseInt(y.readLine()); string(s1,s2); } }