diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JSQ.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JSQ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1bac7dcc2011bef795ccd0894803a3277a0ae667
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/JSQ.java"
@@ -0,0 +1,54 @@
+import java.util.Scanner;
+
+public class JSQ {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+
+		System.out.println("请选择要计算的种类");
+		System.out.println("+");
+		System.out.println("-");
+		System.out.println("*");
+		System.out.println("/");
+		System.out.println("%");
+		
+		System.out.println("请输入第一个数字");
+		int b = scan.nextInt();
+		System.out.println("请输入第二个数字");
+		int c = scan.nextInt();
+		String a = scan.next();
+		switch (a) {
+		case "+":
+				System.out.println("结果是："+jia(b,c));
+
+			break;
+		case "-":
+			System.out.println("结果是："+jian(b,c));
+			break;
+		case "*":
+			System.out.println("结果是："+cheng(b,c));
+			break;
+		case "/":
+			System.out.println("结果是："+chu(b,c));
+			break;
+		
+		default:
+			break;
+		}
+		
+		}
+	
+	public static int jia(int b,int c) {
+	return  b+c;
+	}
+	public static int jian(int b,int c) {
+		return  b-c;
+		}
+	public static int cheng(int b,int c) {
+		return  b*c;
+		}
+	public static int chu(int b,int c) {
+		return  b/c;
+		}
+	
+}
\ No newline at end of file
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MJ.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MJ.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d969be4aa689bde0aa638f260cdd6cdefba8c1f5
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/MJ.java"
@@ -0,0 +1,60 @@
+import java.util.Scanner;
+
+public class MJ {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		
+		
+		System.out.println("1.计算长方形的面积");
+		System.out.println("2.计算正方形的面积");
+		System.out.println("3.计算三角形的面积");
+		System.out.println("4.计算圆形的面积");
+		System.out.println("选择一种图形");
+		int a = scan.nextInt();
+		switch (a) {
+		case 1 : 
+			System.out.println("请输入长方形的长");
+			int b = scan.nextInt();
+			System.out.println("请输入长方形的宽");
+			int c = scan.nextInt();
+			System.out.println("长方形面积是："+chang(b,c));
+			break;
+		case 2 : 
+			System.out.println("请输入正方形的长");
+			int d = scan.nextInt();
+			System.out.println("正方形面积是："+zheng(d));
+			break;
+		case 3 : 
+			System.out.println("请输入三角形的长");
+			int e = scan.nextInt();
+			System.out.println("请输入三角形的高");
+			int f = scan.nextInt();
+			System.out.println("三角形面积是："+san(e,f));
+			break;
+		case 4 : 
+			System.out.println("请输入圆形的半径");
+			double g = scan.nextDouble();
+			System.out.println("圆形的面积是："+yuan(g));
+			break;
+
+		default:System.out.println("你的输入有误");
+			break;
+		}
+	}
+	 
+	
+	public static int chang(int b,int c) {
+		return b*c;
+	}
+	 public static int zheng(int d) {
+		 return d*d;
+	 }
+	 public static int san(int e,int f) {
+		 return e*f/2;
+		 }
+	 public static double yuan(double g) {
+		return g*g*3.14;
+	 }
+	 }
+
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SG.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SG.java"
new file mode 100644
index 0000000000000000000000000000000000000000..15c450a281c6ddb06805bf645d5467c78ac5192d
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/SG.java"
@@ -0,0 +1,22 @@
+import java.util.Scanner;
+
+public class SG {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		System.out.println("请输入高");
+		int a = scan.nextInt();
+		
+		for (int i = 0; i < a; i++) {
+			for (int j= a-1; j > i; j--) {
+				System.out.print("");
+			}
+			for (int k = 0; k < 2*i+1; k++) {
+				System.out.print("*");
+			}
+			System.out.println();
+		}
+		
+	}
+
+}
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/TNL.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/TNL.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d9fcd57dcf8a9f0bd2958747e4057de26ec7eb93
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/TNL.java"
@@ -0,0 +1,24 @@
+import java.util.Scanner;
+
+public class TNL {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		System.out.println("请输入n");
+		int a=scan.nextInt();
+		int b=0;
+		int c=1;
+		int d=0;
+		for (int i = 1; i <= a; i++) {
+			for (int j = 1; j <= i; j++) {
+				b=j;
+			}
+			c=b*c;
+			d=d+c;
+		}
+		System.out.println("结果是："+d);
+	}
+
+}
+
+
diff --git "a/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XK.java" "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XK.java"
new file mode 100644
index 0000000000000000000000000000000000000000..885b00293f2fe3a95e1fd00f53480f06fabe94bc
--- /dev/null
+++ "b/Java\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232/\350\256\270\345\237\271\346\250\237/XK.java"
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class XK {
+
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		System.out.println("请输入高");
+		 int a=scan.nextInt();
+		for (int i = 1; i <= a; i++) {
+			for (int j = 1; j <= 2*(a-i)+1; j++) {
+				System.out.print("*");
+			}
+			System.out.println();
+		}
+	}
+}