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Comparing two fixed list
I have 2 fixed list and I need to compare if an element on list one it is also contained on list two. Do I have to use compareList? or equals()? this is what I have in mind if(list1==list2) return true; else return false; -
invalid method declaration, return type require
how about is I do this public class Main{ public String name(String num) { if (num == null) { return "N/A"; } int len = num.length(); int c = 0; char[] sb = new char[len]; for (int i = 0; i < len; i++) { sb[c++] = num.charAt(i); if ((len - 1 - i) % 3 ==... -
invalid method declaration, return type require
public String(String num){ if (num == null) { return "N/A"; } int len = num.length(); int c = 0; char[] sb = new char[len]; for (int i = 0; i < len; i++) { sb[c++] = num.charAt(i); if ((len - 1 - i) % 3 == 0 && i != len - 1) { sb[c++] = ','...
