「Java入門」Objectsクラスのequalsのサンプル
Javaコード
package study;
import java.util.Objects;
public class ObjectEqualsDemo {
public static void main(String[] args) {
String strAA = null;
String strBB = “this is sample";
String strCC = null;
String strDD = “this is sample";
System.out.println(Objects.equals(strAA, strBB));
System.out.println(Objects.equals(strAA, strCC));
System.out.println(Objects.equals(strBB, strDD));
}
}
結果
false
true
true