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In this video, you will learn how to perform reverse of a number using for loop
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Code :
********************************************************
Reverse of a Number using For loop (Method - 1):
********************************************************
package interviewQuestionsOnJava;
public class Reverse_of_a_Number_using_ForLoop
{
public static void main(String args[])
{
int number =1234;
int reverse = 0;
// for storing the result and initially made it to be 0;
//while(number!=0)
for( ;number!=0;)
{
int rem=number%10; //Step -1
System.out.println("Now remainder is : " + rem );
reverse = reverse*10 + rem; //Step -2
System.out.println("Now reverse is : " + reverse );
number=number/10; //Step -3
System.out.println("Now Number is : " + number );
}
System.out.println("*************************************");
System.out.println("Reverse of a Number using For loop [ Method - 1 ] : " + reverse );
}
}
Code :
********************************************************
Reverse of a Number using For loop (Method - 2): โ
********************************************************
package interviewQuestionsOnJava;
public class Reverse_of_a_Number_using_ForLoopMethod2
{
public static void main(String args[])
{
int number =1234;
int reverse = 0;
// for storing the result and initially made it to be 0;
//while(number!=0)
for( ;number!=0;number=number/10)
{
int rem=number%10; //Step -1
System.out.println("Now remainder is : " + rem );
reverse = reverse*10 + rem; //Step -2
System.out.println("Now reverse is : " + reverse );
System.out.println("Now Number is : " + number );
}
System.out.println("*************************************");
System.out.println("Reverse of a Number using For loop [ Method - 2 ] : " + reverse );
}
}