From 4238e749ff62bfc62f6e30c72dbafdfa3908551c Mon Sep 17 00:00:00 2001
From: bradley <18883218157@139.com>
Date: Wed, 26 Apr 2023 18:10:55 +0800
Subject: [PATCH] 1.bit

---
 .idea/.gitignore                              |   2 ++
 .idea/misc.xml                                |   6 +++++
 .idea/modules.xml                             |   8 ++++++
 .idea/vcs.xml                                 |   6 +++++
 .../wc_algorithm/com/bradley/bit/Bit.class    | Bin 0 -> 659 bytes
 src/com/bradley/bit/Bit.java                  |  23 ++++++++++++++++++
 wc_algorithm.iml                              |  11 +++++++++
 7 files changed, 56 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 out/production/wc_algorithm/com/bradley/bit/Bit.class
 create mode 100644 src/com/bradley/bit/Bit.java
 create mode 100644 wc_algorithm.iml

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..5c98b42
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..8ed5f34
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..6da11eb
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/wc_algorithm.iml" filepath="$PROJECT_DIR$/wc_algorithm.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/out/production/wc_algorithm/com/bradley/bit/Bit.class b/out/production/wc_algorithm/com/bradley/bit/Bit.class
new file mode 100644
index 0000000000000000000000000000000000000000..afbabd0e4e9803963b7bcf0877b3ba2aacddd821
GIT binary patch
literal 659
zcmZut%TC)s6g^{`ICe~dq=E8klkf^GYN_fj2vx0A2`QqLQf0%2abl%|{6NM*V%J|P
zi?-^558$J!o^cY=N-X9+&fI(Mx%c7E?|T4m(RSfr!@(xDTx{c|`HisoPMZdei!xr>
zXxL~9l#W%R@)H5Geb^VUKBU7?V5zH;@N66hVfIA^5s_*)9muFJGo|w>XysqkwLrZ)
zNMk?9<S+_v{XpgZdzE(t%2%06a>fE8;X5UNEEU7m_IdYG-bg=^$;j{JtQ&QT`7#@k
zvG&BbfZI#Q*&zI=w4gG1UuzDJ3sr2iJnUfC#-4|L9C%nkg*;CP6Ih;){uEq>1M2$+
z>fK)FVa$W1V}8^pI#ud_*2_?8C}ZwcD>(j#1?*zuh#Ok%)5AWRJhj7<^YWm6RA@bB
zKE0q{IQj|koq>Tx+EM|Uc*fY96krL<%pAQB5#4;jYTewjI(IOvA28{vGrus+OZ0Q*
z4RULK12(zJWOJ}iK}|-pX$BgoqE<|Mj{0=k8|HeN^$Yf#&m|LBV`BBOpEb<ZiuxC{
H2G;)qFT-@`

literal 0
HcmV?d00001

diff --git a/src/com/bradley/bit/Bit.java b/src/com/bradley/bit/Bit.java
new file mode 100644
index 0000000..29b6714
--- /dev/null
+++ b/src/com/bradley/bit/Bit.java
@@ -0,0 +1,23 @@
+package com.bradley.bit;
+
+public class Bit {
+
+    public static void printBit(){
+        int n = 1;
+        System.out.println(1<<32);
+        System.out.println(1<<31);
+        System.out.println(1<<30);
+        System.out.println(1<<29);
+        // 1 用二进制表示 32bit ==>  00000000 00000000 00000000 00000001  1*2^0 = 1
+        // 1 左移32位          ==> 10000000 00000000 00000000 000000000  0*2^0 = 0
+        // 1 左移31位          ==>  01000000 00000000 00000000 00000000  1*2^31 = 2147483648 4294967296  超出int范围：2147483647  变成了 -2147483648
+        // 1 左移30位          ==>  00100000 00000000 00000000 00000000  1*2^30 = 1
+        // 1 左移29位          ==>  00010000 00000000 00000000 00000000  1*2^29 = 1
+
+    }
+
+    public static void main(String[] args) {
+//        System.out.println(Integer.MAX_VALUE);
+        printBit();
+    }
+}
diff --git a/wc_algorithm.iml b/wc_algorithm.iml
new file mode 100644
index 0000000..bf6e2fc
--- /dev/null
+++ b/wc_algorithm.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file