codewars 记录 字符串2

//解码摩尔斯i摩尔斯电码(自备摩尔斯电码字典包)

//判断一个字符串是否包含全部26个英文字母。

//输入int数，转化成格式化的时间段。

public static String decode(String morseCode) {////解码摩尔斯i摩尔斯电码(自备摩尔斯电码字典包)

      int i=0;

      for(i=0;i

        }

      String aaaa = morseCode.substring(i);

      String res = "";

      int a = 0;

      for(String each:aaaa.split("  ")){

        if(a>0){

        res+=" ";

        }else{

        a++;

        }

      if(each!=null){

    for(String eacha:each.split(" ")){

        res+=MorseCode.get(eacha);

      }}

      }

      return res;

    }

public static boolean check(String sentence){//判断一串字符串是否全部包含26个字母

  sentence= sentence.replaceAll("[^(A-Za-z)]", "");

  sentence.toLowerCase();

  String[] set = new String[50];

  Set sett = new HashSet();

  for(int i=0;i

set[i] = "" +sentence.toLowerCase().charAt(i);

System.out.print(sentence.toLowerCase().charAt(i) +"," );

sett.add(set[i]);

  }

  return sett.size()==26;

  }

public static String numbers(int i) { //输入int数，转化成格式化的时间段。

  String res = "";

  String[][] resd = new String[4][2];

  resd[0][0] = i/86400 + "";  resd[0][1] =  " day";

  resd[1][0] = (i%86400)/3600 + "";resd[1][1] =  " hour";

  resd[2][0] = ((i%86400)%3600)/60 + "";resd[2][1] = " minute";

  resd[3][0]= ((i%86400)%3600)%60 + "";resd[3][1]= " second";

  for(i=0;i<=resd.length-1;i++){

  if( Integer.parseInt(resd[i][0])<2){

  }else{

  resd[i][1] += "s";

  }

  }

  for(i=0;i<=resd.length-1;i++){

  if(Integer.parseInt(resd[0][0])==0&&Integer.parseInt(resd[1][0])==0&&Integer.parseInt(resd[2][0])==0&&Integer.parseInt(resd[3][0])==0){

  res = "now";

  }else if(Integer.parseInt(resd[i][0])==0){ 

  }

  else if(resd[i][1].equals(" day")||resd[i][1].equals(" days")){

  res =res + resd[i][0]+resd[i][1] + ", " ;

  }else if(resd[i][1].equals(" hour")||resd[i][1].equals(" hours")){

  res=res + resd[i][0]+resd[i][1]+", " ;

  }else if(resd[i][1].equals(" minute")||resd[i][1].equals(" minutes")){

  res = res + resd[i][0]+resd[i][1] ;

  }else if(resd[i][1].equals(" second")||resd[i][1].equals(" seconds")){

  res = res +" and " + resd[i][0]+resd[i][1];

  }

  }

  System.out.println(res);

return res;

  }