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crazy · crazy · commit 9d7dab6bf9a5 · 2017-04-05T20:50:41.000+08:00
diff --git a/JavaBase/src/com/xinan/test/Triangle.java b/JavaBase/src/com/xinan/test/Triangle.java
@@ -0,0 +1,45 @@
+package com.xinan.test;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class Triangle {
+	public static void main(String[] args) {
+		boolean flag = false;
+		do {
+			try {
+				System.out.println("请输入三角形的高");// 从控制台输入
+				Scanner sc = new Scanner(System.in);
+				int h = sc.nextInt();
+				while (h < 0) {
+					System.out.println("高度不能为负数");
+					System.out.println("请重新输入三角形的高");// 从控制台输入
+					h = sc.nextInt();
+				}
+				System.out.println("请输入三角形的偏移量");
+				int n = sc.nextInt();
+
+				// System.out.println("请输入三角形的偏移量");
+				for (int i = 1; i <= h; i++) {
+					for (int j = h + n; j >= i; j--) {
+						System.out.print(" ");
+					}
+					for (int k = 1; k <= 2 * i - 1; k++) {
+						if ((k == 1) || (k == 2 * i - 1)) {
+							System.out.print("*");// 控制最外层*输出
+						} else if (i == h) {
+							System.out.print("*");// 控制最后一行*输出
+						} else {
+							System.out.print(" ");// 控制中心空格的输出
+						}
+					}
+					System.out.println();
+				}
+				flag = false;
+			} catch (InputMismatchException ime) {
+				System.out.println("请输入一个正整数");
+				flag = true;
+			}
+		} while (flag);
+	}
+}
diff --git a/JavaBase/src/com/xinan/testoop01/Sanjiaoxing.java b/JavaBase/src/com/xinan/testoop01/Sanjiaoxing.java
@@ -0,0 +1,17 @@
+package com.xinan.testoop01;
+
+public class Sanjiaoxing {
+	public static void main(String[] args){
+		int num=5;
+		for(int i=0;i<num;i++){
+			for(int j=1;j<(5-i);j++){
+				System.out.print(" ");
+			}
+			for(int k=0;k<(2*i+1);k++){
+				System.out.print("*");
+			}
+			System.out.println();
+		}
+	}
+
+}
diff --git a/JavaBase/src/test01/Base.java b/JavaBase/src/test01/Base.java
@@ -0,0 +1,28 @@
+package test01;
+
+public class Base
+{
+    private String baseName = "base";
+    public Base()
+    {
+        callName();
+    }
+ 
+    public void callName()
+    {
+        System. out. println(baseName);
+    }
+ 
+    static class Sub extends Base
+    {
+        private String baseName = "sub";
+        public void callName()
+        {
+            System. out. println (baseName) ;
+        }
+    }
+    public static void main(String[] args)
+    {
+        Base b = new Sub(); 
+    }
+}
diff --git a/JavaBase/src/test01/Test02.java b/JavaBase/src/test01/Test02.java
@@ -0,0 +1,10 @@
+package test01;
+
+public class Test02 {
+	public static void main(String[] args){
+		short a =128;
+		byte b=(byte)a;
+		System.out.println(a);
+		System.out.println(b);
+	}
+}
diff --git a/JavaBase/src/test01/Test03.java b/JavaBase/src/test01/Test03.java
@@ -0,0 +1,7 @@
+package test01;
+
+public class Test03 {
+	public static void main(String[] args){
+	boolean b=true?false:true==true?false:true;
+	System.out.println(b);
+}}
