import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
class customstring{
String kkk;
public String getKkk() {
return kkk;
}
public void setKkk(String kkk) {
this.kkk = kkk;
}
customstring(String kkk){
this.kkk = kkk;
}
}
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
List<customstring> a = new ArrayList<>();
for(int i=0;i<3;i++){
a.add(new customstring(sc.next()));
}
sc.nextLine();
char b = sc.nextLine().charAt(0);
usercharstring u = new usercharstring();
for(int i=0;i<a.size();i++) {
u.changestr(b, a.get(i).getKkk(), (z, x) -> {
int count = 0;
for (int j = 0; j < x.length(); j++) {
if (x.charAt(j) == z) {
count++;
}
}
if (count > 0) {
return x;
} else {
return "";
}
});
}
}
}
interface userchar {
public String finduserchar(char ch, String str);
}
class usercharstring {
public String changestr(char ch, String a, userchar u) {
System.out.println(u.finduserchar(ch, a));
return u.finduserchar(ch, a);
}
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
String str;
}
다른방법
import java.util.ArrayList;
import java.util.Scanner;
public class z1 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
ArrayList<String> a = new ArrayList<>();
for(int i=0;i<3;i++){
a.add(sc.next());
}
System.out.println("촤 입력");
char c = sc.next().charAt(0);
qkRNjqjfu q = new qkRNjqjfu() {
@Override
public String qkRNj(char c, String str) {
if(str.contains(String.valueOf(c))){
return str;
}
return "";
}
};
// qkRNjqjfu q = (z, str)->{
// if(str.contains(String.valueOf(z))){
//
// return str;
// }
// return "";
// };
for(String n:a){
System.out.println(q.qkRNj(c,n));};
}
}
interface qkRNjqjfu{
public String qkRNj(char c, String str);
}
또다른방법
import java.util.ArrayList;
import java.util.Scanner;
public class z1 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
ArrayList<charchar> a = new ArrayList<>();
for (int i = 0; i < 3; i++) {
a.add(new charchar(sc.next()));
}
System.out.println("촤 입력");
char c = sc.next().charAt(0);
for(int i=0;i<a.size();i++) {
System.out.println(
a.get(i).changestr(c,(x,y)->{
if(y.contains(String.valueOf(x))){
return y;
}
return "";
})
);
}
}
}
class charchar {
charchar(String str){
this.str = str;
}
public String getStr() {
return str;
}
public void setStr(String str) {
this.str = str;
}
String str;
public String changestr(char ch, userchar u) {
return u.finduserchar(ch, this.getStr());
}
}
interface userchar {
String finduserchar(char ch, String str);
}
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