ICSE − Q & A

Please provide a program to reverse a sentence.(I have searched on net but could not get a simple one )

Are instance variables and member variables same?

What is the value of (1/0.0) - (1/-0.0)??

https://souvikdast.wordpress.com/ .
Very nice website for programs! :)

--====----HELP----===-- .
Explain the term "Bytecode" in context with Java compilation.

Branching Control statements are if or switch????
And what about Selection control ??

I have written a program to find check for a prime no. and to print a pattern. Its a menu driven program.
I have taken input using scanner but in the main() method when I accept string using next () then it runs but when I use nextLine()then it fails to accept the string.look for program in comments

can someone explain the function of valueOf() and why it is a static method??

Can anybody explain me the general idea of the question of how many times will the loop execute.

program to find the sum of prime num , please correct my mistake in this !!!

public class p 
{
    public static void main (String args [])
    {
       int i , a=0,j,b=0;     
       for (j=2;j<=100;j++)
       {          
       for(i=1;i<=j;i++)
        {
            if(j%i==0)  
            b=b+1;                     
    }
    if(b<=2)
     a=a+j;
}
System.out.print(a);
}
}