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Java containsメソッドと用途

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#containsメソッドとは?
containsメソッドは特定の要素を含むかどうか判定するメソッドです。

###サンプルコード
標準入力で入力された要素が要素の何に含まれているかみます

入力例

Z
Kirishima
Main.java
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();           //1行目の要素を取り出す
        String s = sc.next();           //2行目の要素をたりだす
        
        if (s.contains(a)) {            //変数sの要素の中にaの要素が含まれているかみます
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}

出力結果

NO
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