Question101_EqualsJavaPyhton.java

package week6_String;

import java.util.Scanner;

public class Question101_EqualsJavaPyhton {

	public static void main(String[] args) {
		
		/*Given a string, print out true if the number of appearances of "java" 
		anywhere in the string is equal to the number of appearances of "python" anywhere in the string (case sensitive).
		Example:
		input: We study java not python
		output: true

		Example:
		input: What's the difference between java, javascript and python?
		output: false
		*/
		
		Scanner scan = new Scanner(System.in);
	    String sentence = scan.nextLine();
	    
	    int count=0;
	    int count1=0;
	    
	    for(int i=0; i<sentence.length()-3; i++) {
	    	if(sentence.substring(i, i+4).equals("java")) {
	    		count++;
	    	}	    	
	    }
	    
	    for(int i=0; i<sentence.length()-5; i++) {
	    	if(sentence.substring(i, i+6).equals("python")) {
	    		
				count1++;
	    	}
	    }
	    
		if(count==count1) {
			System.out.println(true);
		}else {
			System.out.println(false);
		}
	}
}