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78f60f418c
| Author | SHA1 | Date | |
|---|---|---|---|
| 78f60f418c | |||
| 9e66decded | |||
| 4e2bc83644 |
@ -364,25 +364,26 @@ jobs:
|
||||
<a href="https://github.com/itldg" title="老大哥"><img src="https://avatars.githubusercontent.com/u/13432299?v=4" width="42;" alt="老大哥"/></a>
|
||||
<a href="https://github.com/buyfakett" title="buyfakett"><img src="https://avatars.githubusercontent.com/u/46560426?v=4" width="42;" alt="buyfakett"/></a>
|
||||
<a href="https://github.com/catcto" title="小武Alan"><img src="https://avatars.githubusercontent.com/u/5467932?v=4" width="42;" alt="小武Alan"/></a>
|
||||
<a href="https://github.com/zine0" title="zine yu"><img src="https://avatars.githubusercontent.com/u/46991452?v=4" width="42;" alt="zine yu"/></a>
|
||||
<a href="https://github.com/witt-bit" title="witt"><img src="https://avatars.githubusercontent.com/u/52407727?v=4" width="42;" alt="witt"/></a>
|
||||
<a href="https://github.com/ryanhex53" title="ryanhex53"><img src="https://avatars.githubusercontent.com/u/360426?v=4" width="42;" alt="ryanhex53"/></a>
|
||||
<a href="https://github.com/partoneplay" title="佐博"><img src="https://avatars.githubusercontent.com/u/5189132?v=4" width="42;" alt="佐博"/></a>
|
||||
<a href="https://github.com/pangxiaoli" title="pangxiaoli"><img src="https://avatars.githubusercontent.com/u/54620953?v=4" width="42;" alt="pangxiaoli"/></a>
|
||||
<a href="https://github.com/mancuoj" title="mancuoj"><img src="https://avatars.githubusercontent.com/u/45707684?v=4" width="42;" alt="mancuoj"/></a>
|
||||
<a href="https://github.com/1834423612" title="kjch"><img src="https://avatars.githubusercontent.com/u/49981661?v=4" width="42;" alt="kjch"/></a>
|
||||
<a href="https://github.com/AmosHuKe" title="Amos"><img src="https://avatars.githubusercontent.com/u/32262985?v=4" width="42;" alt="Amos"/></a>
|
||||
<a href="https://github.com/qjksxy" title="Apin"><img src="https://avatars.githubusercontent.com/u/81305669?v=4" width="42;" alt="Apin"/></a>
|
||||
<a href="https://github.com/dadatom" title="Da Da"><img src="https://avatars.githubusercontent.com/u/33886943?v=4" width="42;" alt="Da Da"/></a>
|
||||
<a href="https://github.com/ljq" title="Jack Liu"><img src="https://avatars.githubusercontent.com/u/7278286?v=4" width="42;" alt="Jack Liu"/></a>
|
||||
<a href="https://github.com/jasnzhuang" title="Jason Zhuang"><img src="https://avatars.githubusercontent.com/u/16612921?v=4" width="42;" alt="Jason Zhuang"/></a>
|
||||
<a href="https://github.com/Jovins" title="Jovins"><img src="https://avatars.githubusercontent.com/u/17738992?v=4" width="42;" alt="Jovins"/></a>
|
||||
<a href="https://github.com/Kisa-Dong" title="Kisa-Dong"><img src="https://avatars.githubusercontent.com/u/84782008?v=4" width="42;" alt="Kisa-Dong"/></a>
|
||||
<a href="https://github.com/1834423612" title="kjch"><img src="https://avatars.githubusercontent.com/u/49981661?v=4" width="42;" alt="kjch"/></a>
|
||||
<a href="https://github.com/infanx" title="infanx"><img src="https://avatars.githubusercontent.com/u/65985757?v=4" width="42;" alt="infanx"/></a>
|
||||
<a href="https://github.com/greyhao" title="greyhao"><img src="https://avatars.githubusercontent.com/u/107107440?v=4" width="42;" alt="greyhao"/></a>
|
||||
<a href="https://github.com/izven" title="Zhang"><img src="https://avatars.githubusercontent.com/u/2149051?v=4" width="42;" alt="Zhang"/></a>
|
||||
<a href="https://github.com/Kisa-Dong" title="Kisa-Dong"><img src="https://avatars.githubusercontent.com/u/84782008?v=4" width="42;" alt="Kisa-Dong"/></a>
|
||||
<a href="https://github.com/SuperDiscovery" title="SuperDiscovery"><img src="https://avatars.githubusercontent.com/u/49646863?v=4" width="42;" alt="SuperDiscovery"/></a>
|
||||
<a href="https://github.com/XYZscratcher" title="XYZ"><img src="https://avatars.githubusercontent.com/u/108533817?v=4" width="42;" alt="XYZ"/></a>
|
||||
<a href="https://github.com/ThanatosXingYu" title="Thanatos"><img src="https://avatars.githubusercontent.com/u/53430376?v=4" width="42;" alt="Thanatos"/></a>
|
||||
<a href="https://github.com/izven" title="Zhang"><img src="https://avatars.githubusercontent.com/u/2149051?v=4" width="42;" alt="Zhang"/></a>
|
||||
<a href="https://github.com/XYZscratcher" title="XYZ"><img src="https://avatars.githubusercontent.com/u/108533817?v=4" width="42;" alt="XYZ"/></a>
|
||||
<a href="https://github.com/hweining" title="hweining"><img src="https://avatars.githubusercontent.com/u/8973985?v=4" width="42;" alt="hweining"/></a>
|
||||
<a href="https://github.com/icer233" title="icer"><img src="https://avatars.githubusercontent.com/u/74440627?v=4" width="42;" alt="icer"/></a>
|
||||
<a href="https://github.com/auroraslot" title="irony"><img src="https://avatars.githubusercontent.com/u/48817882?v=4" width="42;" alt="irony"/></a>
|
||||
@ -398,7 +399,6 @@ jobs:
|
||||
<a href="https://github.com/leauny" title="leauny"><img src="https://avatars.githubusercontent.com/u/42369176?v=4" width="42;" alt="leauny"/></a>
|
||||
<a href="https://github.com/liliangrong777" title="liliangrong777"><img src="https://avatars.githubusercontent.com/u/58727146?v=4" width="42;" alt="liliangrong777"/></a>
|
||||
<a href="https://github.com/lozhu20" title="lozhu"><img src="https://avatars.githubusercontent.com/u/44923922?v=4" width="42;" alt="lozhu"/></a>
|
||||
<a href="https://github.com/Zeng-qh" title="都一样"><img src="https://avatars.githubusercontent.com/u/40046415?v=4" width="42;" alt="都一样"/></a>
|
||||
<a href="https://github.com/yanxuplay" title="hupilan"><img src="https://avatars.githubusercontent.com/u/69749541?v=4" width="42;" alt="hupilan"/></a>
|
||||
<a href="https://github.com/hua03" title="hua03"><img src="https://avatars.githubusercontent.com/u/19561959?v=4" width="42;" alt="hua03"/></a>
|
||||
<a href="https://github.com/gzttcydxx" title="gzttcydxx"><img src="https://avatars.githubusercontent.com/u/50025185?v=4" width="42;" alt="gzttcydxx"/></a>
|
||||
@ -414,6 +414,7 @@ jobs:
|
||||
<a href="https://github.com/gaoxiaoduan" title="Coder Duan"><img src="https://avatars.githubusercontent.com/u/69953511?v=4" width="42;" alt="Coder Duan"/></a>
|
||||
<a href="https://github.com/lijc210" title="cizai"><img src="https://avatars.githubusercontent.com/u/10651081?v=4" width="42;" alt="cizai"/></a>
|
||||
<a href="https://github.com/chyok" title="chyok"><img src="https://avatars.githubusercontent.com/u/32629225?v=4" width="42;" alt="chyok"/></a>
|
||||
<a href="https://github.com/Zeng-qh" title="都一样"><img src="https://avatars.githubusercontent.com/u/40046415?v=4" width="42;" alt="都一样"/></a>
|
||||
<a href="https://github.com/binscor" title="binscor"><img src="https://avatars.githubusercontent.com/u/37325821?v=4" width="42;" alt="binscor"/></a>
|
||||
<a href="https://github.com/qwxingzhe" title="行者"><img src="https://avatars.githubusercontent.com/u/7071651?v=4" width="42;" alt="行者"/></a>
|
||||
<a href="https://github.com/lisheng741" title="芦荟柚子茶"><img src="https://avatars.githubusercontent.com/u/53617305?v=4" width="42;" alt="芦荟柚子茶"/></a>
|
||||
@ -428,7 +429,6 @@ jobs:
|
||||
<a href="https://github.com/kele527" title="吹衣轻飏"><img src="https://avatars.githubusercontent.com/u/345445?v=4" width="42;" alt="吹衣轻飏"/></a>
|
||||
<a href="https://github.com/lvzhenbo" title="无聊波波"><img src="https://avatars.githubusercontent.com/u/32427677?v=4" width="42;" alt="无聊波波"/></a>
|
||||
<a href="https://github.com/zxx457" title="Xianxin Zeng"><img src="https://avatars.githubusercontent.com/u/114141362?v=4" width="42;" alt="Xianxin Zeng"/></a>
|
||||
<a href="https://github.com/zine0" title="zine yu"><img src="https://avatars.githubusercontent.com/u/46991452?v=4" width="42;" alt="zine yu"/></a>
|
||||
<a href="https://github.com/zhouhw0306" title="zhouhw0306"><img src="https://avatars.githubusercontent.com/u/82752681?v=4" width="42;" alt="zhouhw0306"/></a>
|
||||
<a href="https://github.com/hiyms" title="yms"><img src="https://avatars.githubusercontent.com/u/84654050?v=4" width="42;" alt="yms"/></a>
|
||||
<a href="https://github.com/giteeking" title="xunjian"><img src="https://avatars.githubusercontent.com/u/166626162?v=4" width="42;" alt="xunjian"/></a>
|
||||
|
||||
12
README.md
12
README.md
@ -365,25 +365,26 @@ Quick Reference
|
||||
<a href="https://github.com/itldg" title="老大哥"><img src="https://avatars.githubusercontent.com/u/13432299?v=4" width="42;" alt="老大哥"/></a>
|
||||
<a href="https://github.com/buyfakett" title="buyfakett"><img src="https://avatars.githubusercontent.com/u/46560426?v=4" width="42;" alt="buyfakett"/></a>
|
||||
<a href="https://github.com/catcto" title="小武Alan"><img src="https://avatars.githubusercontent.com/u/5467932?v=4" width="42;" alt="小武Alan"/></a>
|
||||
<a href="https://github.com/zine0" title="zine yu"><img src="https://avatars.githubusercontent.com/u/46991452?v=4" width="42;" alt="zine yu"/></a>
|
||||
<a href="https://github.com/witt-bit" title="witt"><img src="https://avatars.githubusercontent.com/u/52407727?v=4" width="42;" alt="witt"/></a>
|
||||
<a href="https://github.com/ryanhex53" title="ryanhex53"><img src="https://avatars.githubusercontent.com/u/360426?v=4" width="42;" alt="ryanhex53"/></a>
|
||||
<a href="https://github.com/partoneplay" title="佐博"><img src="https://avatars.githubusercontent.com/u/5189132?v=4" width="42;" alt="佐博"/></a>
|
||||
<a href="https://github.com/pangxiaoli" title="pangxiaoli"><img src="https://avatars.githubusercontent.com/u/54620953?v=4" width="42;" alt="pangxiaoli"/></a>
|
||||
<a href="https://github.com/mancuoj" title="mancuoj"><img src="https://avatars.githubusercontent.com/u/45707684?v=4" width="42;" alt="mancuoj"/></a>
|
||||
<a href="https://github.com/1834423612" title="kjch"><img src="https://avatars.githubusercontent.com/u/49981661?v=4" width="42;" alt="kjch"/></a>
|
||||
<a href="https://github.com/AmosHuKe" title="Amos"><img src="https://avatars.githubusercontent.com/u/32262985?v=4" width="42;" alt="Amos"/></a>
|
||||
<a href="https://github.com/qjksxy" title="Apin"><img src="https://avatars.githubusercontent.com/u/81305669?v=4" width="42;" alt="Apin"/></a>
|
||||
<a href="https://github.com/dadatom" title="Da Da"><img src="https://avatars.githubusercontent.com/u/33886943?v=4" width="42;" alt="Da Da"/></a>
|
||||
<a href="https://github.com/ljq" title="Jack Liu"><img src="https://avatars.githubusercontent.com/u/7278286?v=4" width="42;" alt="Jack Liu"/></a>
|
||||
<a href="https://github.com/jasnzhuang" title="Jason Zhuang"><img src="https://avatars.githubusercontent.com/u/16612921?v=4" width="42;" alt="Jason Zhuang"/></a>
|
||||
<a href="https://github.com/Jovins" title="Jovins"><img src="https://avatars.githubusercontent.com/u/17738992?v=4" width="42;" alt="Jovins"/></a>
|
||||
<a href="https://github.com/Kisa-Dong" title="Kisa-Dong"><img src="https://avatars.githubusercontent.com/u/84782008?v=4" width="42;" alt="Kisa-Dong"/></a>
|
||||
<a href="https://github.com/1834423612" title="kjch"><img src="https://avatars.githubusercontent.com/u/49981661?v=4" width="42;" alt="kjch"/></a>
|
||||
<a href="https://github.com/infanx" title="infanx"><img src="https://avatars.githubusercontent.com/u/65985757?v=4" width="42;" alt="infanx"/></a>
|
||||
<a href="https://github.com/greyhao" title="greyhao"><img src="https://avatars.githubusercontent.com/u/107107440?v=4" width="42;" alt="greyhao"/></a>
|
||||
<a href="https://github.com/izven" title="Zhang"><img src="https://avatars.githubusercontent.com/u/2149051?v=4" width="42;" alt="Zhang"/></a>
|
||||
<a href="https://github.com/Kisa-Dong" title="Kisa-Dong"><img src="https://avatars.githubusercontent.com/u/84782008?v=4" width="42;" alt="Kisa-Dong"/></a>
|
||||
<a href="https://github.com/SuperDiscovery" title="SuperDiscovery"><img src="https://avatars.githubusercontent.com/u/49646863?v=4" width="42;" alt="SuperDiscovery"/></a>
|
||||
<a href="https://github.com/XYZscratcher" title="XYZ"><img src="https://avatars.githubusercontent.com/u/108533817?v=4" width="42;" alt="XYZ"/></a>
|
||||
<a href="https://github.com/ThanatosXingYu" title="Thanatos"><img src="https://avatars.githubusercontent.com/u/53430376?v=4" width="42;" alt="Thanatos"/></a>
|
||||
<a href="https://github.com/izven" title="Zhang"><img src="https://avatars.githubusercontent.com/u/2149051?v=4" width="42;" alt="Zhang"/></a>
|
||||
<a href="https://github.com/XYZscratcher" title="XYZ"><img src="https://avatars.githubusercontent.com/u/108533817?v=4" width="42;" alt="XYZ"/></a>
|
||||
<a href="https://github.com/hweining" title="hweining"><img src="https://avatars.githubusercontent.com/u/8973985?v=4" width="42;" alt="hweining"/></a>
|
||||
<a href="https://github.com/icer233" title="icer"><img src="https://avatars.githubusercontent.com/u/74440627?v=4" width="42;" alt="icer"/></a>
|
||||
<a href="https://github.com/auroraslot" title="irony"><img src="https://avatars.githubusercontent.com/u/48817882?v=4" width="42;" alt="irony"/></a>
|
||||
@ -399,7 +400,6 @@ Quick Reference
|
||||
<a href="https://github.com/leauny" title="leauny"><img src="https://avatars.githubusercontent.com/u/42369176?v=4" width="42;" alt="leauny"/></a>
|
||||
<a href="https://github.com/liliangrong777" title="liliangrong777"><img src="https://avatars.githubusercontent.com/u/58727146?v=4" width="42;" alt="liliangrong777"/></a>
|
||||
<a href="https://github.com/lozhu20" title="lozhu"><img src="https://avatars.githubusercontent.com/u/44923922?v=4" width="42;" alt="lozhu"/></a>
|
||||
<a href="https://github.com/Zeng-qh" title="都一样"><img src="https://avatars.githubusercontent.com/u/40046415?v=4" width="42;" alt="都一样"/></a>
|
||||
<a href="https://github.com/yanxuplay" title="hupilan"><img src="https://avatars.githubusercontent.com/u/69749541?v=4" width="42;" alt="hupilan"/></a>
|
||||
<a href="https://github.com/hua03" title="hua03"><img src="https://avatars.githubusercontent.com/u/19561959?v=4" width="42;" alt="hua03"/></a>
|
||||
<a href="https://github.com/gzttcydxx" title="gzttcydxx"><img src="https://avatars.githubusercontent.com/u/50025185?v=4" width="42;" alt="gzttcydxx"/></a>
|
||||
@ -415,6 +415,7 @@ Quick Reference
|
||||
<a href="https://github.com/gaoxiaoduan" title="Coder Duan"><img src="https://avatars.githubusercontent.com/u/69953511?v=4" width="42;" alt="Coder Duan"/></a>
|
||||
<a href="https://github.com/lijc210" title="cizai"><img src="https://avatars.githubusercontent.com/u/10651081?v=4" width="42;" alt="cizai"/></a>
|
||||
<a href="https://github.com/chyok" title="chyok"><img src="https://avatars.githubusercontent.com/u/32629225?v=4" width="42;" alt="chyok"/></a>
|
||||
<a href="https://github.com/Zeng-qh" title="都一样"><img src="https://avatars.githubusercontent.com/u/40046415?v=4" width="42;" alt="都一样"/></a>
|
||||
<a href="https://github.com/binscor" title="binscor"><img src="https://avatars.githubusercontent.com/u/37325821?v=4" width="42;" alt="binscor"/></a>
|
||||
<a href="https://github.com/qwxingzhe" title="行者"><img src="https://avatars.githubusercontent.com/u/7071651?v=4" width="42;" alt="行者"/></a>
|
||||
<a href="https://github.com/lisheng741" title="芦荟柚子茶"><img src="https://avatars.githubusercontent.com/u/53617305?v=4" width="42;" alt="芦荟柚子茶"/></a>
|
||||
@ -429,7 +430,6 @@ Quick Reference
|
||||
<a href="https://github.com/kele527" title="吹衣轻飏"><img src="https://avatars.githubusercontent.com/u/345445?v=4" width="42;" alt="吹衣轻飏"/></a>
|
||||
<a href="https://github.com/lvzhenbo" title="无聊波波"><img src="https://avatars.githubusercontent.com/u/32427677?v=4" width="42;" alt="无聊波波"/></a>
|
||||
<a href="https://github.com/zxx457" title="Xianxin Zeng"><img src="https://avatars.githubusercontent.com/u/114141362?v=4" width="42;" alt="Xianxin Zeng"/></a>
|
||||
<a href="https://github.com/zine0" title="zine yu"><img src="https://avatars.githubusercontent.com/u/46991452?v=4" width="42;" alt="zine yu"/></a>
|
||||
<a href="https://github.com/zhouhw0306" title="zhouhw0306"><img src="https://avatars.githubusercontent.com/u/82752681?v=4" width="42;" alt="zhouhw0306"/></a>
|
||||
<a href="https://github.com/hiyms" title="yms"><img src="https://avatars.githubusercontent.com/u/84654050?v=4" width="42;" alt="yms"/></a>
|
||||
<a href="https://github.com/giteeking" title="xunjian"><img src="https://avatars.githubusercontent.com/u/166626162?v=4" width="42;" alt="xunjian"/></a>
|
||||
|
||||
89
docs/java.md
89
docs/java.md
@ -351,7 +351,7 @@ for (int a: arr) {
|
||||
```java
|
||||
int[][] matrix = {{1, 2, 3}, {4, 5}, {6}};
|
||||
int x = matrix[1][0]; // 4
|
||||
System.out.Println(Arrays.deepToString(matrix));
|
||||
System.out.println(Arrays.deepToString(matrix));
|
||||
// 输出: [[1, 2, 3], [4, 5], [6]]
|
||||
for (int i = 0; i < matrix.length; ++i) {
|
||||
for(int j = 0; j < matrix[i].length; ++j) {
|
||||
@ -622,7 +622,7 @@ public class Dog {
|
||||
public void Say() {
|
||||
// 局部变量
|
||||
String sentence = "hello";
|
||||
System.out.Println(sentence);
|
||||
System.out.println(sentence);
|
||||
}
|
||||
}
|
||||
```
|
||||
@ -649,7 +649,7 @@ public Animal() {
|
||||
}
|
||||
|
||||
public void eat() {
|
||||
System.out.Println("eat something");
|
||||
System.out.println("eat something");
|
||||
}
|
||||
}
|
||||
|
||||
@ -752,6 +752,89 @@ public class Overloading {
|
||||
}
|
||||
```
|
||||
|
||||
### Java 抽象类
|
||||
|
||||
抽象类不能被实例化为对象，因此，抽象类必须被继承才能够使用
|
||||
抽象类使用abstract 关键字进行修饰
|
||||
|
||||
```java
|
||||
public abstract class Animal {
|
||||
String name;
|
||||
|
||||
public Animal(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
}
|
||||
|
||||
public class Dog extends Animal {
|
||||
public Dog(String name) {
|
||||
super(name);
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
使用abstract 关键字修饰的方法是抽象方法
|
||||
抽象方法必须包含在抽象类中
|
||||
子类必须重写父类中的所有抽象方法，除非子类也是抽象类
|
||||
|
||||
```java
|
||||
public abstract class Animal {
|
||||
String name;
|
||||
|
||||
public Animal(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public abstract void Say();
|
||||
}
|
||||
|
||||
public class Dog extends Animal {
|
||||
public Dog(String name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
public void Say(){
|
||||
System.out.println("Dog");
|
||||
}
|
||||
|
||||
}
|
||||
```
|
||||
|
||||
### Java 接口
|
||||
|
||||
#### 接口的定义
|
||||
|
||||
与类的继承不同，接口可以继承多个接口
|
||||
|
||||
```java
|
||||
[可见度] interface 接口名称 [extends 其他的接口名] {
|
||||
// 声明变量
|
||||
// 抽象方法
|
||||
}
|
||||
```
|
||||
|
||||
#### 接口的实现
|
||||
|
||||
一个类可以实现多个接口
|
||||
类必须实现接口的所有方法，除非该类是抽象类
|
||||
|
||||
```java
|
||||
public interface Animal {
|
||||
public void eat();
|
||||
public void say();
|
||||
}
|
||||
|
||||
public class Dog implements Animal {
|
||||
public void eat() {
|
||||
System.out.println("Dog eat something");
|
||||
}
|
||||
|
||||
public void say() {
|
||||
System.out.println("Dog say something");
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
Java 多线程
|
||||
---
|
||||
|
||||
|
||||
Reference in New Issue
Block a user