Java program to find Substring

 

Java program to find Substring (CODING GREED--- GREED)

import java.util.Scanner;

public class demo{

public static void main(String args[]) {

Scanner sc = new Scanner(System.in);

System.out.print("Enter the String: ");

String str = sc.nextLine();

System.out.print("Enter Start Index: ");

int start = sc.nextInt();

System.out.print("Enter the End Index: ");

int end = sc.nextInt();

// start >= end && start and end < string length

String temp = subString(str,start,end);

System.out.println("Substring: "+temp);

sc.close();

}

static String subString(String str,int start,int end) {

String sub = "";

while(start<=end) {

sub = sub + str.charAt(start);

++start;

}

return sub;

}

}