diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.classpath" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.classpath"
new file mode 100644
index 0000000000000000000000000000000000000000..51a8bbad89682d379e0aadb7bd54d22de601a62f
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.classpath"
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.project" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.project"
new file mode 100644
index 0000000000000000000000000000000000000000..40ef15300fd2858df2ca7675f6b921e7091b47b6
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.project"
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Demo02</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.settings/org.eclipse.jdt.core.prefs" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.settings/org.eclipse.jdt.core.prefs"
new file mode 100644
index 0000000000000000000000000000000000000000..3a21537071bf4118b9e1ee864cb4bc258aa48211
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/.settings/org.eclipse.jdt.core.prefs"
@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/dsa.class" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/dsa.class"
new file mode 100644
index 0000000000000000000000000000000000000000..6097855e3169584defe03648c8e39fc4226b30b5
Binary files /dev/null and "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/dsa.class" differ
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exer.class" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exer.class"
new file mode 100644
index 0000000000000000000000000000000000000000..05f7d9230d156892885b197c288fe5cde33e2cd5
Binary files /dev/null and "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exer.class" differ
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exs.class" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exs.class"
new file mode 100644
index 0000000000000000000000000000000000000000..150016c6565897db65dec36d71146a5bf084a7df
Binary files /dev/null and "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/bin/exs.class" differ
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/dsa.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/dsa.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bf1da6d92754eb22b843d497fc41300e4b6388d5
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/dsa.java"
@@ -0,0 +1,27 @@
+
+public class dsa {
+	
+//	* 需求：设计一个方法用于获取数组中元素的最大值 
+//
+//	* 思路：
+//
+//	  * ①定义一个数组，用静态初始化完成数组元素初始化
+//	  * ②定义一个方法，用来获取数组中的最大值，最值的认知和讲解我们在数组中已经讲解过了
+//	  * ③调用获取最大值方法，用变量接收返回结果
+//	  * ④把结果输出在控制台
+
+	public static void main(String[] args) {
+		int arr[] =new int [] {45,874,65};
+		System.err.println("最大值为"+getmax (arr));
+	}
+	public static int getmax (int []arr) {
+		int max=arr[0];
+		for (int i = 0; i < arr.length; i++) {
+			if(arr[i]>max) {
+				max=arr[i];
+			}
+		}
+		return max;
+	}
+
+}
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exer.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exer.java"
new file mode 100644
index 0000000000000000000000000000000000000000..56ff282af22b8410dab6e84f510fe20c83f46703
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exer.java"
@@ -0,0 +1,16 @@
+
+public class exer {
+
+	public static void main(String[] args) {
+		// 需求：设计一个方法用于数组遍历，要求遍历的结果是打印输出在一行上的。
+//		例如：[11, 22, 33, 44, 55] 
+		int arr[]=new int [] {11,22,33,44,88};
+		arr(arr);
+	}
+	public static void arr(int arr[]){
+		for (int i = 0; i < arr.length; i++) {
+			System.out.print(arr[i]+"  ");
+		}
+	}
+
+}
diff --git "a/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exs.java" "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exs.java"
new file mode 100644
index 0000000000000000000000000000000000000000..65f34b247f408ca50bf3ea511615cc86a97a95b2
--- /dev/null
+++ "b/\346\226\271\346\263\225\347\273\203\344\271\240/\351\202\271\346\265\267\345\205\265/src/exs.java"
@@ -0,0 +1,26 @@
+
+public class exs {
+
+	public static void main(String[] args) {
+//		- 需求：设计一个方法，该方法能够同时获取数组的最大值，和最小值
+//		- 注意: return语句, 只能带回一个结果.
+//		- 提示:返回一个数组，数组里第一个元素是最大值，第二个元素是最小值
+		
+		int arr[]=new int[] {486,46,48,185,84,};
+		System.err.println(arr(arr)[0]+"dsd"+arr(arr)[1]);
+	}
+	public static int[] arr(int arr[]) {
+		int max=arr[0];
+		int min=arr[1];
+		for (int i = 0; i < arr.length; i++) {
+			if(arr[i]>max) {
+				max=arr[i];
+			}
+			if(arr[i]<min) {
+				min=arr[i];
+			}
+		}
+		int array[]=new int[] {max,min};
+		return array;
+	}
+}
\ No newline at end of file