java check if element exists in array
package com.mkyong.core;
import java.util.Arrays;
import java.util.List;
public class StringArrayExample1 {
    public static void main(String[] args) {
        String[] alphabet = new String[]{"A", "B", "C"};
        // Convert String Array to List
        List<String> list = Arrays.asList(alphabet);
        
        if(list.contains("A")){
            System.out.println("Hello A");
        }
    }
}
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