泛型方法打印不同类型的数组元素

CPU-Code · CPU-Code · commit b80ad56a4a2c · 2021-12-20T14:43:31.000+08:00
diff --git a/generics/README.md b/generics/README.md
@@ -14,6 +14,7 @@
 - [x] [Generic5__泛型的接口](src/main/java/com/cpucode/generics/Generic5.java)
 - [x] [Generic6__泛型通配符](src/main/java/com/cpucode/generics/Generic6.java)
 - [x] [Generic7__受限泛型](src/main/java/com/cpucode/generics/Generic7.java)
+- [x] [泛型方法打印不同类型的数组元素](src/main/java/com/cpucode/generics/methodTest/GenericMethodTest.java)
 
 - [返回目录](#文件目录)
 
diff --git a/generics/src/main/java/com/cpucode/generics/Generic4.java b/generics/src/main/java/com/cpucode/generics/Generic4.java
@@ -1,14 +1,4 @@
-/*
- * @由于个人水平有限, 难免有些错误, 还请指点:  
- * @Author: cpu_code
- * @Date: 2020-09-16 18:24:03
- * @LastEditTime: 2020-09-16 18:24:22
- * @FilePath: \java\Generic\Generic4.java
- * @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)
- * @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)
- * @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)
- * @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)
- */
+
 package com.cpucode.generics;
 
 public class Generic4 {
diff --git a/generics/src/main/java/com/cpucode/generics/methodTest/GenericMethodTest.java b/generics/src/main/java/com/cpucode/generics/methodTest/GenericMethodTest.java
@@ -0,0 +1,37 @@
+package com.cpucode.generics.methodTest;
+
+/**
+ * 使用泛型方法打印不同类型的数组元素
+ * E - Element (在集合中使用，因为集合中存放的是元素)
+ *
+ * @author : cpucode
+ * @date : 2021/12/20 14:38
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class GenericMethodTest {
+    public static void main(String[] args) {
+        Integer[] intArray = {1, 2, 3, 4, 5};
+        Double[] doubleArray = {1.1, 2.2, 3.3, 4.4};
+        Character[] charArray = {'A', 'B', 'C', 'D'};
+
+        // 传递一个整型数组
+        System.out.println( "整型数组元素为:" );
+        printArray(intArray);
+
+        // 传递一个双精度型数组
+        System.out.println( "\n双精度型数组元素为:" );
+        printArray(doubleArray);
+
+        // 传递一个字符型数组
+        System.out.println( "\n字符型数组元素为:" );
+        printArray(charArray);
+    }
+
+    public static <E> void printArray(E[] inputArray) {
+        for (E e : inputArray) {
+            System.out.printf("%s  ", e);
+        }
+        System.out.println();
+    }
+}
