#1010 commit

Author: 657122411

note/剑指offer-java-pdf.pdf

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+package com.blankj.study.temp;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * LIst<Integer>中保存String类型
+ */
+public class Test14 {
+    public static void main(String[] args) throws InvocationTargetException, IllegalAccessException, NoSuchMethodException {
+        List<Integer> list = new ArrayList<>();
+        for (int i = 1; i <= 3; i++) {
+            list.add(i);
+        }
+
+        // https://blog.csdn.net/sulaymanyf/article/details/82228527
+        /*Method[] methods  = list.getClass().getMethods();
+        for (Method method : methods) {
+            if("add".equals(method.getName())){
+                method.invoke(list,"字符串1");
+            }
+        }*/
+
+        Method m = list.getClass().getDeclaredMethod("add", Object.class);
+        m.invoke(list, "字符串2");
+
+
+        System.out.println(list.toString());
+    }
+}