diff --git a/.idea/dbnavigator.xml b/.idea/dbnavigator.xml
new file mode 100644
index 0000000000000000000000000000000000000000..22b24ed48d59e00ac802642f541f52cf9e01346c
--- /dev/null
+++ b/.idea/dbnavigator.xml
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\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..35eb1ddfbbc029bcab630581847471d7f238ec53
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
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\ No newline at end of file
diff --git "a/2200022738 \346\235\216\346\200\235\347\220\252/Main.java" "b/2200022738 \346\235\216\346\200\235\347\220\252/Main.java"
new file mode 100644
index 0000000000000000000000000000000000000000..c6537502028b34826ecd9d8eaad407cb0a9631e6
--- /dev/null
+++ "b/2200022738 \346\235\216\346\200\235\347\220\252/Main.java"
@@ -0,0 +1,9 @@
+public class Main {
+
+ public static void main(String[] args){
+
+ System.out.println("hello world!");
+ System.out.printf("hello world!!\n");
+ System.out.print("hello world!!!");
+ }
+}
\ No newline at end of file