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fixed: 修改了一些java示例代码的 符号错误。 #759

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merged 1 commit into from
May 1, 2020
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fixed: 修改了一些java示例代码的 符号错误。 #759

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28 changes: 14 additions & 14 deletions docs/java/basic/final,static,this,super.md
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Original file line number Diff line number Diff line change
Expand Up @@ -144,9 +144,9 @@ public class StaticBean {
}
@Override
public String toString() {
return StaticBean{ +
name=' + name + ''' + age + age +
'}';
return "StaticBean{"+
"name=" + name + ",age=" + age +
"}";
}
}
```
Expand All @@ -155,14 +155,14 @@ public class StaticBean {
public class StaticDemo {

public static void main(String[] args) {
StaticBean staticBean = new StaticBean(1);
StaticBean staticBean2 = new StaticBean(2);
StaticBean staticBean3 = new StaticBean(3);
StaticBean staticBean4 = new StaticBean(4);
StaticBean staticBean = new StaticBean("1");
StaticBean staticBean2 = new StaticBean("2");
StaticBean staticBean3 = new StaticBean("3");
StaticBean staticBean4 = new StaticBean("4");
StaticBean.age = 33;
StaticBean{name='1'age33} StaticBean{name='2'age33} StaticBean{name='3'age33} StaticBean{name='4'age33}
System.out.println(staticBean+ +staticBean2+ +staticBean3+ +staticBean4);
StaticBean.SayHello();Hello i am java
System.out.println(staticBean + " " + staticBean2 + " " + staticBean3 + " " + staticBean4);
//StaticBean{name=1,age=33} StaticBean{name=2,age=33} StaticBean{name=3,age=33} StaticBean{name=4,age=33}
StaticBean.SayHello();//Hello i am java
}

}
Expand Down Expand Up @@ -233,7 +233,7 @@ public class Singleton {
//将Math中的所有静态资源导入，这时候可以直接使用里面的静态方法，而不用通过类名进行调用
//如果只想导入单一某个静态方法，只需要将换成对应的方法名即可

import static java.lang.Math.;//换成import static java.lang.Math.max;具有一样的效果
import static java.lang.Math.*;//换成import static java.lang.Math.max;具有一样的效果

public class Demo {
public static void main(String[] args) {
Expand Down Expand Up @@ -262,17 +262,17 @@ class Foo {
}

public static String method1() {
return An example string that doesn't depend on i (an instance variable);
return "An example string that doesn't depend on i (an instance variable)";

}

public int method2() {
return this.i + 1; Depends on i
return this.i + 1; //Depends on i
}

}
```
你可以像这样调用静态方法：`Foo.method1（）`。 如果您尝试使用这种方法调用 method2 将失败。 但这样可行：`Foo bar = new Foo（1）;bar.method2（）;`
你可以像这样调用静态方法：`Foo.method1()`。 如果您尝试使用这种方法调用 method2 将失败。 但这样可行：`Foo bar = new Foo(1);bar.method2();`

总结：

Expand Down