package huawei;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.LinkedList;

import java.util.Scanner;

public class Differ2String {

/***** 删除公共部分并去掉重复的 *************/

public static String differ(String str1, String str2) {

char[] strToChar1 = str1.toCharArray();

char[] strToChar2 = str2.toCharArray();

LinkedList<Character> list = new LinkedList<Character>();

for (Character str : strToChar1) {

if (!list.contains(str)) {

list.add(str);

}

}

for (Character strc : strToChar2) {

if (list.contains(strc)) {

list.remove(strc);

}

}

StringBuffer sb = new StringBuffer();

for (int i = 0; i < list.size(); i++) {

sb.append(list.get(i));

}

return sb.toString();

}

public static String differ2(String str1, String str2){

char[] strToChar2 = str2.toCharArray();

for(int i= 0;i<strToChar2.length;i++){

str1=str1.replace(strToChar2[i],' ');

}

str1 =str1.replace(" ", "");

return str1.toString();

}

/****** 给字符串去重 ***********************/

public static String deleteRepeat(String str) {

String[] strToChar = str.split("");

ArrayList<String> list = new ArrayList<String>();

for (int i = 0; i < strToChar.length; i++) {

if (!list.contains(strToChar[i]))

list.add(strToChar[i]);

}

StringBuffer sb = new StringBuffer();

for (int i = 0; i < list.size(); i++) {

sb.append(list.get(i));

}

return sb.toString();

}

public static void main(String[] args) {

String str1 = "abcda";

String str2 = "ac";

System.out.println(differ2(str1,str2));

//deleteRepeat(str1);

//deleteRepeat(str2);

// differ(str1,str2);

//System.out.println(differ(deleteRepeat(str1), deleteRepeat(str2)));

}

}