From 152c8975206f2ec96a4ab1b78e4b771b1f09ca62 Mon Sep 17 00:00:00 2001
From: m_ozawa <26-m-ozawa-swnet@it-college.co.jp>
Date: Thu, 10 Sep 2026 14:48:24 +0900
Subject: [PATCH] =?UTF-8?q?3=E6=97=A5=E7=9B=AE=E3=80=80=E6=AE=B5=E9=9A=8E?=
 =?UTF-8?q?=EF=BC=91=E3=80=80=E5=B0=8F=E6=BE=A4?=
MIME-Version: 1.0
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---
 StringCheck/src/day3/StringCheck.java | 55 +++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 StringCheck/src/day3/StringCheck.java

diff --git a/StringCheck/src/day3/StringCheck.java b/StringCheck/src/day3/StringCheck.java
new file mode 100644
index 0000000..854cdb2
--- /dev/null
+++ b/StringCheck/src/day3/StringCheck.java
@@ -0,0 +1,55 @@
+package day3;
+
+import java.util.Scanner;
+
+
+public class StringCheck {
+    public static void main(String[] args) {
+        
+        String[] messages = {
+                "いまなにしてる？",
+                "何も入力されていません",
+                "投稿文が長すぎます",
+                "↓↓↓↓↓↓　投稿されました　↓↓↓↓↓↓"
+        };
+
+       
+        
+        String str = "";
+
+       
+        while (true) {
+            System.out.println(messages[0]);
+
+                       
+            str = imputString();
+            
+            boolean isEmpty = (str.length() == 0);
+            boolean isTooLong = (str.length() > 140);
+
+           
+            if (isEmpty) {
+                System.out.println(messages[1]);
+                continue;
+            }
+
+            if (isTooLong) {
+                System.out.println(messages[2]);
+                continue;
+            }
+            
+            break;
+        }
+
+        System.out.println();
+        System.out.println(messages[3]);
+        System.out.println(str);
+    }
+    
+    public static String imputString() {
+    	Scanner scanner = new Scanner(System.in);
+    	String line = scanner.nextLine();
+    	return line.strip();
+	}
+}
+