diff --git a/docs/cpp/13.md b/docs/cpp/13.md
index 3885c520b9adad51c3acc352aad6707dd1b5df8c..547625e70e076667868282c4a68a4ee8fb45f3f8 100644
--- a/docs/cpp/13.md
+++ b/docs/cpp/13.md
@@ -20,7 +20,7 @@ break;
 
 * * *
 
-## C++ `break`语句的工作
+## C++ `break`语句的原理
 
 ![Working of C++ break Statement](img/e34ec524467bae5f63fe90112095f836.png "Working of break statement in C++")
 
diff --git a/docs/cpp/46.md b/docs/cpp/46.md
index 40dc1f6d2948ff96d9cb2726fac3ff85b8b97f0d..fc8068a2e87af87ff6a1b1d6a5492328bb6fd684 100644
--- a/docs/cpp/46.md
+++ b/docs/cpp/46.md
@@ -71,7 +71,7 @@ class privateDerived: private base
 
 * * *
 
-### 公共继承中的可访问性
+### 公共继承中的可见性
 
 | 访问性 | 私有变量 | 受保护变量 | 公共变量 |
 | --- | --- | --- | --- |
@@ -81,7 +81,7 @@ class privateDerived: private base
 
 * * *
 
-### 受保护继承中的可访问性
+### 受保护继承中的可见性
 
 | 访问性 | 私有变量 | 受保护变量 | 公共变量 |
 | --- | --- | --- | --- |
@@ -91,7 +91,7 @@ class privateDerived: private base
 
 * * *
 
-### 私有继承中的可访问性
+### 私有继承中的可见性
 
 | 访问性 | 私有变量 | 受保护变量 | 公共变量 |
 | --- | --- | --- | --- |
diff --git a/docs/java/11.md b/docs/java/11.md
index d486ed775ea0ae888eef088c094a1015deaaf8f7..6ee63841540f4c50f5fe340809624972d746364f 100644
--- a/docs/java/11.md
+++ b/docs/java/11.md
@@ -29,7 +29,7 @@
 
 ![How if statement works in Java?](img/d943bf283f5fb86dfb3b52e494bdee2a.png "Working of Java if statement")
 
-Working of Java if statement
+Java `if`语句的原理
 
 
 
@@ -106,7 +106,7 @@ else {
 
 ![How if...else statement works in Java?](img/56c68f38a6428a68bf4bacb12149b227.png "Working of Java if-else statements")
 
-Working of Java if-else statements
+Java `if-else`语句的原理
 
 
 
diff --git a/docs/java/12.md b/docs/java/12.md
index 9e975ae5ea63d81ed54ba08f9d08626f8a7a6ecd..a1392a8a6b0b400a95332db56a30294bf7fdcb3a 100644
--- a/docs/java/12.md
+++ b/docs/java/12.md
@@ -44,7 +44,7 @@ default:
 
 ![Flowchart of the Java switch statement](img/4d11f702043df31b9fb41cd25cf47730.png "Flow chart of the Java switch statement")
 
-Flow chart of the Java switch statement
+Java `switch`语句的流程图
 
 
 
diff --git a/docs/java/13.md b/docs/java/13.md
index 249969f2f241fdf3b29d373ce2c22ed026d3fe83..c96bb6b34a767af4d1e1de475e1d2329992bf4de 100644
--- a/docs/java/13.md
+++ b/docs/java/13.md
@@ -41,7 +41,7 @@ for (initialization; testExpression; update)
 
 ![Java for Loop flowchart](img/c36e9c16d8984a3e6b540c4bacc48d37.png "Working of for loop")
 
-Working of for loop
+`for`循环的原理
 
 
 
diff --git a/docs/java/15.md b/docs/java/15.md
index 63088cbb03bbfbdfabe6f20415a3c3af3064f774..c43327c273f6b6b55d0dacd189fe8bcb80813a47 100644
--- a/docs/java/15.md
+++ b/docs/java/15.md
@@ -39,7 +39,7 @@ while (testExpression) {
 
 ![Java while loop flowchart](img/30e5a661c20677c618554d900cd8601f.png "Working of while Loop")
 
-Working of while Loop
+`While`循环的原理
 
 
 
diff --git a/docs/java/16.md b/docs/java/16.md
index cc4d1b6011f687d4169c0efc068fb5c5417c7561..43ff08f721b3e3e32d05906f3d11f67eca55e78b 100644
--- a/docs/java/16.md
+++ b/docs/java/16.md
@@ -26,7 +26,7 @@ break;
 
 ![How break statement works in Java programming?](img/8b6dddf93175bfcc760a9221b185b070.png "Working of Java break Statement")
 
-Working of Java break Statement
+Java `break`语句的原理
 
 
 
@@ -136,7 +136,7 @@ if (number < 0.0) {
 
 ![The break statement terminates the innermost while loop in case of nested loops.](img/56fee848ebc71a6592db0fd2c9007b74.png "Working of break Statement with Nested Loops")
 
-Working of break Statement with Nested Loops
+带有嵌套循环的`break`语句的原理
 
 
 
@@ -152,7 +152,7 @@ Working of break Statement with Nested Loops
 
 ![The labeled break statement is used to break the outermost loop.](img/171d5266b8c72bbaa191894f3cf0987f.png "Working of the labeled break statement in Java")
 
-Working of the labeled break statement in Java
+带标签的`break`语句的原理
 
 
 
diff --git a/docs/java/17.md b/docs/java/17.md
index 205a3fe0149d5193915bb6875f87878833405e9b..f3e601cf6e74750725f88b87c7188760d862e3bf 100644
--- a/docs/java/17.md
+++ b/docs/java/17.md
@@ -22,12 +22,11 @@ continue;
 
 * * *
 
-## 连续语句如何工作？
+## `continue`语句如何工作？
 
 ![The continue statement is used in Java Loops (for, while, and do...while loops) to skip the current iteration of the loop.](img/13467eaab0527da1b3021f15025c836d.png "Working of Java continue statement")
 
-Working of Java continue statement
-
+Java `continue`语句的原理
 
 
 * * *
@@ -136,7 +135,7 @@ if (number < 0.0) {
 
 ![The continue statement skipped the current iteration of the innermost loop in case of nested loops.](img/e85a2abed9501317a557c4b7cc9accac.png "Working of the continue Statement with Nested Loops")
 
-Working of the continue statement with Nested Loops
+带有嵌套循环的`continue`语句的原理
 
 
 
@@ -150,7 +149,7 @@ Working of the continue statement with Nested Loops
 
 ![The labeled continue statement is used to skip the current iteration of the outermost labeled loop.](img/ab4de94d4d765d0976fab459e36ac2ca.png "Working of the labeled continue Statement in Java")
 
-Working of the labeled continue Statement in Java
+带标签的`continue`语句的原理
 
 
 
diff --git a/docs/java/19.md b/docs/java/19.md
index 9d2be4b6069244249f1402f71235f495772572b2..163b2825bc6702560437cdeaec4e5c64c4bcba05 100644
--- a/docs/java/19.md
+++ b/docs/java/19.md
@@ -68,7 +68,7 @@ int[] age = new int[5];
 
 ![Java array index](img/fb0b498feca0d98ab2cef4a07f9b5f01.png "Java Array Index")
 
-Java Array Index
+Java 数组索引
 
 
 
@@ -156,7 +156,7 @@ int[] age = {12, 4, 5, 2, 5};
 
 ![Elements are stored in the array](img/a4b14afa1c07858092f9f211932281db.png "Array initialization")
 
-Java Arrays initialization
+Java 数组初始化
 
 
 
diff --git a/docs/java/20.md b/docs/java/20.md
index 0cf8f0cbc1867b8e303e05688777545e80986f5c..ad20e8024db3dad43a2c5295f81fab6004dca7cd 100644
--- a/docs/java/20.md
+++ b/docs/java/20.md
@@ -16,7 +16,7 @@ int[][] a = new int[3][4];
 
 ![2-dimensional array in Java](img/c46b2ff7c300432581a0faacd07f2f36.png "2-dimensional Array")
 
-2-dimensional Array
+二维数组
 
 
 
@@ -48,7 +48,7 @@ int[][] a = {
 
 ![2d array example in Java with variable length](img/8d2520cbfa1deb81d3e6f4ee15416fd4.png "Initialization of 2-dimensional Array")
 
-Initialization of 2-dimensional Array
+二维数组的初始化
 
 
 
diff --git a/docs/java/23.md b/docs/java/23.md
index 27a907bfa299abde70c7a892cc710f219845cf87..dec23731b03151d53429e93fada0d0cb46521154 100644
--- a/docs/java/23.md
+++ b/docs/java/23.md
@@ -132,7 +132,7 @@ l1.turnOn();
 
 ![How methods work in Java?](img/5c2b6e65098d3536292a2a716f96985c.png "Working of Methods in Java")
 
-Working of Methods in Java
+Java 中的方法的原理
 
 
 
diff --git a/docs/java/24.md b/docs/java/24.md
index f126f3dad709f81759facb6a64190c27c3eeafa8..47ba497697a56d3f41e7387b6d7ffa29015dbb0a 100644
--- a/docs/java/24.md
+++ b/docs/java/24.md
@@ -120,7 +120,7 @@ myMethod();
 
 ![Working of the method call in Java](img/524d4cee02ac3668c0bda12c0770e843.png "Working of the method call in Java")
 
-Working of the method call in Java
+Java 中的方法调用的原理
 
 
 
@@ -247,7 +247,7 @@ Squared value of 10 is: 100
 
 ![Representation of a method returning a value](img/3119eccc9e076e7cfe62028f7ce6ffe2.png "Representation of a method returning a value")
 
-Representation of a method returning a value
+返回值的方法的表示
 
 
 
@@ -290,7 +290,7 @@ Squared value of 4 is: 16
 
 ![Example showing passing argument to method and returning value](img/a4d7ea6f6937289efc4a781e08bfa8ba.png "Passing arguments and returning a value from a method in Java")
 
-Passing arguments and returning a value from a method in Java
+在 Java 中传递参数并从方法中返回值
 
 
 
diff --git a/docs/java/27.md b/docs/java/27.md
index ff5ac0017a392e319eb7f2c95a28da7cbd255bbf..be6e9d93211a76bd83d46e302874304f0f0b0a78 100644
--- a/docs/java/27.md
+++ b/docs/java/27.md
@@ -6,7 +6,7 @@
 
 ## 什么是访问修饰符？
 
-在 Java 中，访问修饰符用于设置类，接口，变量，方法，构造器，数据成员和设置器方法的可访问性（可见性）。 例如，
+在 Java 中，访问修饰符用于设置类，接口，变量，方法，构造器，数据成员和设置器方法的可见性（可见性）。 例如，
 
 ```java
 class Animal {
@@ -223,7 +223,7 @@ I have 4 legs.
 
 ![Accessibility of all Access Modifiers in Java](img/2d390a56daf23e3f76b9075aa101f39e.png "Accessibility of all Access Modifiers in Java")
 
-Accessibility of all Access Modifiers in Java
+Java 中所有访问修饰符的可见性
 
 
 
diff --git a/docs/java/30.md b/docs/java/30.md
index af5f108fccb5ed9aef3a2d9f0bd1a5275d1e3f6e..960a80acdfd5c88c34d72f990b72da0b59d9e2ce 100644
--- a/docs/java/30.md
+++ b/docs/java/30.md
@@ -14,7 +14,7 @@
 
 ![A function is calling itself](img/98c8b3e1c9ca805d7cabab0f8bea1bf4.png "Working of Java Recursion")
 
-Working of Java Recursion
+Java 递归的原理
 
 
 
@@ -72,7 +72,7 @@ return n * factorial(n-1);
 
 ![Finding the factorial of a number using recursion](img/2fadcf39da8f7f8c908856a362725c5e.png "Factorial Program using Recursion")
 
-Factorial Program using Recursion
+使用递归的阶乘程序
 
 
 
diff --git a/docs/java/4.md b/docs/java/4.md
index 4f00910ed40c3eb760ce38c0a4947dc9d2575003..055faa7a775a9606fd37e80ecd059dfeba787358 100644
--- a/docs/java/4.md
+++ b/docs/java/4.md
@@ -14,7 +14,7 @@ Java 是与平台无关的语言。 这是因为当您编写 Java 代码时，
 
 ![How does Java program work?](img/78c88b2cb68225a328607e3142dcde31.png "Working of Java Program")
 
-Working of Java Program
+Java 程序的原理
 
 
 
@@ -30,7 +30,7 @@ JRE 是 JVM 的超集。
 
 ![JRE contains JVM and other Java class libraries.](img/3ec88fb0a9d3b5347fdb6065d741b65f.png "Java Runtime Environment")
 
-Java Runtime Environment
+Java 运行时环境
 
 
 
@@ -46,7 +46,7 @@ JDK（Java 开发套件）是使用 Java 开发应用程序所需的软件开发
 
 ![JDK contains JRE and other tools to develop Java applications.](img/70d0a6ead31a22745b9f926e601cd51d.png "Java development kit")
 
-Java Development Kit
+Java 开发套件
 
 
 
diff --git a/docs/java/57.md b/docs/java/57.md
index a9e9842c4e62f7a4c54728e9e230dbb0b50e2e79..8d57df2f497d43c9e64d628dfaee458c0b302eb6 100644
--- a/docs/java/57.md
+++ b/docs/java/57.md
@@ -18,7 +18,7 @@ Java 允许我们通过日志记录过程来创建和捕获日志消息和文件
 
 ![The flow of control of Java Logging API](img/9cd80e66a62f7c466eb14130b5431c48.png "Java Logging")
 
-Java Logging
+Java 日志
 
 
 
diff --git a/docs/kotlin/27.md b/docs/kotlin/27.md
index 2a7f25e95f29363f68e6e46e444183cc8a19e59a..0ede1a3e4cea21d46e91369a360a0454b9751ff9 100644
--- a/docs/kotlin/27.md
+++ b/docs/kotlin/27.md
@@ -4,7 +4,7 @@
 
 #### 在本文中，您将了解 Kotlin 中的所有 4 种可见性修饰符，以及它们在不同情况下的工作方式。
 
-可见性修饰符是用于设置类，对象，接口，构造器，函数，属性及其设置程序的可见性（可访问性）的关键字。 （您无法设置获取器的可见性修饰符，因为它们始终具有与属性相同的可见性。）
+可见性修饰符是用于设置类，对象，接口，构造器，函数，属性及其设置程序的可见性（可见性）的关键字。 （您无法设置获取器的可见性修饰符，因为它们始终具有与属性相同的可见性。）
 
 在 [Kotlin 类和对象](/kotlin-programming/class-objects "Kotlin Class and Objects")文章中，您简要了解了可见性修饰符`public`和`private`。 您将详细了解另外两个可见性修饰符`protected`和`internal`（以及`public`和`private`）。