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+# java
+
+## 变量
+
+1.字符
+
+```java
+char sex='男'
+```
+
+
+
+2.整数
+
+```java
+byte short int[mo] long
+```
+
+
+
+3.小数
+
+```java
+float double[mo]
+```
+
+
+
+4.字符串
+
+```java
+string
+```
+
+
+
+5.布尔
+
+```java
+boolean
+```
+
+
+
+## 作业
+
+```java
+public class HelloWorld {
+    public static void main(String[] args) {
+        int Class=2;
+        String name="张~山";
+        String text="喜欢";
+        System.out.println(name+text+"给我们点赞"+text+"给我们加分");
+        System.out.println("求求丘丘的秋未来捞捞");
+    }
+}
+```
+