For.java

import java.io.*;
import java.util.*;

public class For {
    
    private int s;
    private String p;
    
    public boolean isPrime(int s) {
	double bound = s/2;
	int counter;
	for (counter = 2;counter <= bound;counter ++) {
	    if (s%counter == 0) {
		return false; }
	}
	return true;
    }

    public String Reverse(String p) {
	int length;
	String start = "";
	for (length=p.length()-1;length >= 0;length --) {
	    start = start + p.substring(length,length+1);
	}
	return start;
    }

    public String table (int c,int r) {
	String ans = " ";
	for (int initc = 1;initc <= c;initc++) {
	    ans = ans + initc + " ";
	}
	for (int row = 1;row <= r;row ++) {
	    ans = ans + "\n" + row + "|";
	    for (int initc = 1;initc <= c;initc++) {
		ans = ans + (row*initc) + " ";
	    }
	}
	return ans;
    }
}