class Solution { public String solution(String bin1, String bin2) { String answer = ""; int num1 = Integer.parseInt(bin1, 2); int num2 = Integer.parseInt(bin2, 2); int res = num1+num2; answer = Integer.toBinaryString(res); return answer; } } class Solution { public String solution(String bin1, Stri..

class Solution { public String[] solution(String my_str, int n) { String[] answer = new String[my_str.length()%n==0? my_str.length()/n:my_str.length()/n+1]; int t=0; for(int i=0;i

import java.util.*; class Solution { public int solution(String s) { int answer = 0; Stack stack = new Stack(); for(String str : s.split(" ")) { if(str.equals("Z")) { stack.pop(); } else{ stack.push(str); } } ..

class Solution { public int solution(int[] array) { int answer = 0; for(int num:array) { String s = num+""; for(char ch : s.toCharArray()) { if(ch-'0'==7) answer++; } } return answer; } } class Solution { public int solution(int[] array)..

class Solution { public int solution(int i, int j, int k) { int answer = 0; for(;i

import java.util.*; class Solution { public String solution(String s) { String answer = ""; char [] ch = s.toCharArray(); Arrays.sort(ch); char temp = ' '; int cnt=0; for(char c: ch){ if(c==temp) { cnt++; } else{ if(..

class Solution { public int solution(String my_string) { int answer = 0; String num=""; for(char ch:my_string.toCharArray()) { if(ch>='0' && ch

import java.util.*; class Solution { public int solution(String before, String after) { int answer = 0; char[] ch1 = before.toCharArray(); char[] ch2 = after.toCharArray(); Arrays.sort(ch1); Arrays.sort(ch2); if(Arrays.toString(ch1).equals(Arrays.toString(ch2))) { return 1; } ..