段階３です。

PJ/src/StringCheck.java

@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class StringCheck {
+
+	public static void main(String[] args) {
+		String[] message = new String[4];
+		message[0] = "いまなにしてる？";
+		message[1] = "何も入力されていません";
+		message[2] = "投稿文が長すぎます";
+		message[3] = "↓↓↓↓↓↓　投稿されました　↓↓↓↓↓↓";
+
+		//System.out.println(message[2]);
+
+		Scanner scanner = new Scanner(System.in);
+
+		System.out.println(message[0]);
+		String str = scanner.nextLine().strip();
+
+		int strlen = str.length();
+		
+		boolean isEmpty = strlen == 0;
+//		System.out.println(message[1]);
+		System.out.println(isEmpty);
+
+
+		boolean isOver = ((140 - strlen) <= 0);
+		//System.out.println(message[2]);
+		System.out.println(isOver);
+//		
+		System.out.println("残り入力可能文字数" + (140-strlen));
+		
+		System.out.println("");
+		System.out.println(message[3]);
+		System.out.println(str);
+		
+//		boolean isMessage = (140 >= strlen);
+	}
+
+}