Java Programs

/**
 * String[] input={"100","111","10100","10","1111"}
 * output=2;
 *
 * String[] input={"01","01010","1000","10","011"}
 * output=3;
 *
 * Count the strings having prefix"10","01" but "10","01" not included
 */

package programs;

import java.util.Scanner;

public class CountStringsPrefix {
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.println("Enter the size of the Array : ");
int size = in.nextInt();

String[] input = new String[size];
System.out.println("Enter the Array Elements : ");
for (int i = 0; i < input.length; i++) {
input[i] = in.next();
}
int count = 0;
for (int i = 0; i < input.length; i++) {
if (input[i].length() > 2 && input[i] != "10" && input[i] != "01"
&& (input[i].startsWith("01") || input[i].startsWith("10"))) {
count++;
}
}

System.out.println("Count is " + count);

}
}