错误“non-static variable this cannot be referenced from a static context”意味着你尝试在一个静态(static)方法中引用非静态(non-static)变量this。在Java中,this关键字用于引用当前对象的实例,而静态方法属于类本身,不依赖于类的任何特定实例。因此,在静态方法中无法引用到this。 2. 常见原因 在静态方法中误用...
【情况二】:在静态方法中引用了一个实例变量 报错:Non-static variable 'instanceVariable' cannot be referenced from a static context 形如: 代码语言:javascript 复制 publicclassMyClass{privateString instanceVariable;publicvoidnonStaticMethod(){// 非静态方法实现,使用实例变量System.out.println(instanceVariable)...
public void nonStaticMethod() { // 非静态方法实现,使用实例变量 System.out.println(instanceVariable); } public static void staticMethod() { // 在静态方法中引用实例变量,会导致错误 System.out.println(instanceVariable); // 错误:Non-static variable 'instanceVariable' cannot be referenced from a stat...
可以的。类可以有内部类，具体问题。具体再追问。错误提示是说：非静态变量类型不能在静态上下文中引用。（1）你的；main方法是static的，即静态的。（2）如果你将类包含在里面的话，需要将printchar声明为静态的。才能在main方法中引用。
public static void main(String args[]) { Zhui zui;GraphicObject tuxing;tuxing = new TiXing(2, 3, 4);System.out.println("梯形的面积是" + tuxing.getArea());zui = new Zhui(tuxing, 30);System.out.println("梯形底的锥的体积是" + zui.getVolum());tuxing = new Circle(10...
Java Tutorials 1 Answers to this question It is not possible to make reference to a static variable from a non-static method. To understand this, you need to understand the difference between static and non-static. Static variables are referred to as the class variables, they belong to ...
Code: https://gist.github.com/aikar/2358353bd3033dea000a64d59baf5572 In Lombok state, I get: [ERROR] LootContext.java:[20,1] non-static variable entity cannot be referenced from a static context When I delombok the file, no error occurs...
Error:(343,97)java:invalid method reference non-staticmethodgetName()cannot be referencedfromastaticcontext Q1 第一个错误就是说,向comparing()方法中传入的参数类型是错的。为什么是错的呢? 首先先来看看comparing()这个函数的实现: publicstatic<T,UextendsComparable<?superU>>Comparator<T>comparing(Function...
自己好好去课本上看看。.你打错的。.
} } 要修复“Non-Static Variable … Cannot Be...“Non-Static Method … Cannot Be Referenced From a Static Context”此问题发生在Java代码尝试在非静态类中调用非静态方法的情况下。...thread "main" java.lang.Error: Unresolved compilation problem: Cannot make a static reference to the non-static ...