Most new Java developers quickly learn that they should generally compare Java Strings using String.equals(Object) rather than using ==. This is emphasized and reinforced to new developers repeatedly ...

150記事のステップ学習 1記事＝1テーマ。例題・コードサンプル付きで、無理なく理解を進められる。 試験対策＋実務応用 単なる暗記ではなく、実務で役立つJavaスキルを同時に習得可能。 初学者でも安心 白本の難解な内容をかみ砕き、段階的にステップ ...

System.out.println("s eq sobj1 "+s.equals(sobj1)); //content comparison System.out.println("sobj1 eq sobj2 "+sobj1.equals(sobj2)); System.out.println("sobj1 eq sobj3 ...

In java, string is basically an object that represents sequence of char values. An array of characters works same as java string. For example: char[] ch={'j','a','v','a','t','p','o','i','n','t'}; ...

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...