conversion_string__转换字符串功能

Author: CPU-Code

README.md

@@ -2,7 +2,7 @@
  * @由于个人水平有限, 难免有些错误, 还请指点:  
  * @Author: cpu_code
  * @Date: 2020-07-12 12:03:11
- * @LastEditTime: 2020-09-12 20:35:45
+ * @LastEditTime: 2020-09-12 20:36:51
  * @FilePath: \java\README.md
  * @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)
  * @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)
@@ -126,7 +126,7 @@ java编程基础 面向对象 javaAPI 集合 IO GUI JD8C 多线程 网络编程
 
 - [x] [string_compare__字符串比较](javaAPI/String/string_compare.java)
 - [x] [get_string__获取字符串功能](javaAPI/String/get_string.java)
-
+- [x] [conversion_string__转换字符串功能](javaAPI/String/conversion_string.java)
 
 
 -----------------------

javaAPI/String/conversion_string.java

@@ -0,0 +1,62 @@
+/*
+ * @由于个人水平有限, 难免有些错误, 还请指点:  
+ * @Author: cpu_code
+ * @Date: 2020-09-12 20:37:04
+ * @LastEditTime: 2020-09-12 20:45:33
+ * @FilePath: \java\javaAPI\String\conversion_string.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 javaAPI.String;
+
+public class conversion_string {
+    public static void main(String[] args){
+        //创建字符串对象
+        String s = "cpucode";
+
+        // char[] toCharArray():把字符串转换为字符数组
+        char[] chs = s.toCharArray();
+        for(int i = 0; i < chs.length; i++){
+            System.out.println(chs[i]);
+        }
+        System.out.println("---------");
+
+        // byte[] getBytes ():把字符串转换为字节数组
+        byte[] bytes = s.getBytes();
+        for(int i = 0; i < bytes.length; i++){
+            System.out.println(bytes[i]);
+        }
+        System.out.println("--------");
+
+        // 替换字母为大写
+        String str = "cpucode";
+        String replace = str.replace("c", "C");
+
+        System.out.println(replace);
+        System.out.println("--------");
+    }
+}
+
+/*
+c
+p
+u
+c
+o
+d
+e
+---------
+99
+112
+117
+99
+111
+100
+101
+--------
+CpuCode
+--------
+
+*/