5.12

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/java/Test.java b/src/test/java/Test.java
new file mode 100644
index 0000000..0ba1f8b
--- /dev/null
+++ b/src/test/java/Test.java
@@ -0,0 +1,26 @@
+public class Test {
+
+    public static String intToIp(int ip) {
+        StringBuilder sb = new StringBuilder();
+        int num = 0;
+        boolean needPoint = false; // 是否需要加入'.'
+        for (int i = 0; i < 4; i++) {
+            if (needPoint) {
+                sb.append('.');
+            }
+            needPoint = true;
+            int offset = 8 * (3 - i);
+            num = (ip >> offset) & 0xff;
+            sb.append(num);
+        }
+        return sb.toString();
+    }
+
+    public static void main(String[] args) {
+        People people = new People();
+        if (2>1){
+            people.setAge(2);
+        }
+        System.out.println(people.getAge());
+    }
+}