anonymous4__匿名对象

Author: CPU-Code

javaAPI/Scanner/anonymous4.java

@@ -0,0 +1,56 @@
+/*
+ * @由于个人水平有限, 难免有些错误, 还请指点:  
+ * @Author: cpu_code
+ * @Date: 2020-09-13 14:29:24
+ * @LastEditTime: 2020-09-13 14:36:32
+ * @FilePath: \java\javaAPI\Scanner\anonymous4.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.Scanner;
+
+import java.util.Scanner;
+
+public class anonymous4 {
+    public static void main(String[] args){
+
+        // 普通使用方式
+        //Scanner sc = new Scanner(System.in);
+        //int num = sc.nextInt();
+
+        // 匿名对象的方式
+        //int num = new Scanner(System.in).nextInt();
+        //System.out.println("输入的是：" + num);
+
+        // 使用一般写法传入参数
+        //Scanner sc = new Scanner(System.in);
+        //methodParam(sc);
+
+        // 使用匿名对象来进行传参
+        methodParam(new Scanner(System.in));
+
+        Scanner sc = methodReturn();
+        int num = sc.nextInt();
+        System.out.println("输入 :" + num);
+    }
+
+    public static void methodParam(Scanner sc) {
+        int num = sc.nextInt();
+        System.out.println("输入是" + num);
+    }
+
+    public static Scanner methodReturn() {
+        //Scanner sc = new Scanner(System.in);
+        //return sc;
+        return new Scanner(System.in);
+    }
+}
+
+/*
+2
+输入是2
+2
+输入 :2
+*/