CareerCup

It is very bad that you even seem to lack the basic courtesy of not respecting the Codechef Code of Conduct! To all readers: the question is a part of ongoing March Challenge on Codechef, which prohiits discussion of questions whilst the contest is live.

public class Test {
	public static void main(String[] args) {
		String one= "defghi";
		String two = "ghidef";
		
		String result = getMaxSub(one, two);
		System.out.println("Test.main()"+result+" "+result.length());
	}
	public static String getMaxSub(String str1,String str2){
		String result =" no match ";
		String temp =null;
		boolean flag = false;
		int total = str2.length();
		for(int window = total;window>0&&(!flag);window--){
			System.out.println("Test.getMaxSub()========================= window size "+window);
			for(int k = 0;k<=(total-window);k++){
				temp=str2.substring(k, k+window);
				System.out.println("Test.getMaxSub()"+window+" "+" "+k+" "+temp);
				if(str1.contains(temp)){
					result=temp;
					flag=true;
					break;
				}
			}
		}
		return result;
	}
}