*FACTORIAL*
package javaapplication1;
import java.util.Scanner;
public class fact {
public static void main(String[] args) {
int a,c=1,i;
Scanner sc=new Scanner(System.in);
System.out.println("Enter number:");
a=sc.nextInt();
for(i=1;i<=a;i++)
{
c=c*i;
System.out.println("c="+c);
}
}
}
*PALINDROME*
package javaapplication1;
public class palindrome {
public static void main(String[] args) {
int a=989,i;
int t=1,t1=1,t2=1;
for(i=0;i<10;i++)
{
t=a/100;
t1=(a/10)-(t*10);
t2=(a%100)-(t1*10);
}
System.out.println(t);
System.out.println(t1);
System.out.println(t2);
if(t==t2)
{
System.out.println("it is a palindrome....!!!");
}
else
{
System.out.println("it is not a palindrome...!!
!");
}
}
}
*PERMUTATION*
package javaapplication2;
import java.util.Scanner;
class pc
{
void p()
{
int a,b,i,j,a1,b1;
Scanner sc=new Scanner(System.in);
System.out.print("Enter upper value:");
a=sc.nextInt();
System.out.print("Enter lower value:");
b=sc.nextInt();
a1=a;
b1=b;
for(i=1;i<a1;i++)
{
a=a*i;
}
for(j=1;j<b1;j++)
{
b=b*j;
}
int c;
c=a/b;
System.out.println("permutation:"+c);
}
void c()
{
int a,b,i,j,a1,b1,n,n1;
Scanner sc=new Scanner(System.in);
System.out.print("Enter upper value:");
a=sc.nextInt();
System.out.print("Enter lower value:");
b=sc.nextInt();
n=a-b;
n1=n;
a1=a;
b1=b;
for(int k=1;k<n1;k++)
{
n=n*k;
}
for(i=1;i<a1;i++)
{
a=a*i;
}
for(j=1;j<b1;j++)
{
b=b*j;
}
int c;
c=a/b;
int l;
l=c/n;
System.out.println("Combination:"+l);
}
}
public class p_c {
public static void main(String[] args) {
pc v=new pc();
String s;
Scanner sc=new Scanner(System.in);
System.out.println("Enter op:");
s=sc.next();
if("permutation".equals(s))
v.p();
else if("combination".equals(s))
v.c();
else
System.out.println("ERROR 402");
}
}
*SQUARE ROOT*
package javaapplication2;
import java.util.Scanner;
public class sqrt {
public static void main(String[] args) {
int a;
Scanner sc=new Scanner(System.in);
System.out.print("Enter a:");
a=sc.nextInt();
double k;
k=Math.pow(a,0.5);
System.out.println("Square root of "+a+" is "+
k);
}
}
*FILE WRITER AND FILE READER*
package vansh1;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.nio.Buffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
public class NewClass {
public static void main(String[] args) {
int ch;
try {
FileWriter fw=new FileWriter("vansh.txt");
for(int i=0;i<2;i++){
fw.write("vansh");
}
fw.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
*ASCENDING ORDER*
package vansh1;
public class asc {
public static void main(String[] args) {
int a[]={8,9,2,87,55,67,43};
int t,i;
for(i=0;i<a.length;i++)
{
for(int j=i+i;j<a.length;j++)
if(a[i]>a[j])
{
t=a[i];
a[i]=a[j];
a[j]=t;
}
}
for(i=0;i<a.length;i++)
{
System.out.println(a[i]);
}
}
}
*CALCULATOR*
package vansh1;
import jdk.internal.dynalink.DefaultBootstrapper;
public class calc {
public static void sum()
{
int a=10,b=20;
int c=a+b;
System.out.println("sum:"+c);
}
public static void sub()
{
int a=50,b=20;
int c=a-b;
System.out.println("sub:"+c);
}
public static void mul()
{
int a=80,b=56;
int c=a*b;
System.out.println("product:"+c);
}
public static void div()
{
int a=85,b=5;
int c=a/b;
System.out.println("Division:"+c);
}
public static void main(String[] args) {
sum();
sub();
mul();
div();
}
}
*PROGRAM*
package vansh1;
public class pro1 {
public static void dis() {
int i=10,j=20,k;
k=i+j;
System.out.println("sum : "+k);
}
public static int dis1() {
int i=10,j=20,k;
k=i+j;
return k;
}
public static void dis2(int i,int j) {
int k;
k=i+j;
System.out.println("sum2 : "+k);
}
public static int dis3(int i,int j) {
int k=i+j;
return k;
}
public static void main(String[] args) {
int k,a=10,b=20;
dis();
k=dis1();
System.out.println("sum1 : "+k);
dis2(a,b);
int c;
c=dis3(a,b);
System.out.println("sum3 :"+c);
}
}
You must be logged in to post a comment.