Monday, June 21, 2010
Palindrome Number Example
Palindrome Number
Palindrome Number is the same number after reversing the actual number.
For Example : 545 (After reversing, the output is same)
The example of palindrom number below :
import java.io.*;
public class Palindrome {
public static void main(String [] args){
try{
BufferedReader object = new BufferedReader(
new InputStreamReader(System.in));
System.out.println("Enter a number");
int num= Integer.parseInt(object.readLine());
int n = numb;
int rev=0;
System.out.println("The Number is : ");
System.out.println(" "+ numb);
for (int i=0; i<=num; i++){
int r=numb%10;
numb=numb/10;
rev=rev*10+r;
i=0;
}
System.out.println("Output after reversing: "+ " ");
System.out.println(" "+ rev);
if(n == rev){
System.out.print("This Number is Palindrome!");
}
else{
System.out.println("This Number is not palindrome!");
}
}
catch(Exception e){
System.out.println("Unknown Number!");
}
}
}
Saturday, June 12, 2010
Write To File Example
Class FileWriter - The FileWriter is a class used for writing character files.
Class BufferedWriter - The BufferWriter class is used to write text to a character-output stream, buffering characters. It will help us to provide for the efficient writing of single characters, arrays, and strings.
Find the code below of java program to write text to a file:
import java.io.*;
class FileWrite
{
public static void main(String args[])
{
try{
// Create file
FileWriter fstream = new FileWriter("out.txt");
BufferedWriter out = new BufferedWriter(fstream);
out.write("Hello Java");
//Close the output stream
out.close();
}catch (Exception e){//Catch exception if any
System.err.println("Error: " + e.getMessage());
}
}
}
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