我们首先引入了java.util包中的HashMap和Map,这些将用来存储变量名和对应的值。 定义了一个VariableStore类,其中包含一个Map类型的字段variableMap用于存储变量名称及其相应值。 addVariable方法用于将变量名和变量值添加到variableMap中。 getVariableName方法遍历variableMap,寻找与传入值相等的变量,找到后返回其名称,如果...
importjava.lang.reflect.Field;publicclassVariableNameExample{privateintage;privateStringname;publicstaticvoidmain(String[]args){VariableNameExampleexample=newVariableNameExample();example.age=20;example.name="John";Class<?>clazz=example.getClass();Field[]fields=clazz.getDeclaredFields();for(Fieldfield:fi...
【public】【protected】【private】【static】【final】<type><variable_name> 含义如下: 【public】【protected】【private】:成员变量的访问权限 【static】:表示该成员变量为类变量,也成为静态变量 【final】:表示将该成员变量声明为常量 【type】:表示变量的类型 【variable_name】:表示变量名称 java四种访问范围:...
Exercise? Which is NOT a legal variable name? int myInteger = 20; int int = 20; int myNum = 20; int num = 20;Submit Answer »❮ Previous Next ❯ Track your progress - it's free! Log in Sign Up ADVERTISEMENT COLOR PICKER ...
// get TypeVariable array by getTypeParameters() method TypeVariable[] types = m.getTypeParameters(); // print Type Parameter details for every TypeVariable for (TypeVariable t : types) { // print type parameter name // along with there method name System.out.println("Type variable for Meth...
-");System.out.println(name+" | "+desc);returnnewMethodVisitor(ASM9){@OverridepublicvoidvisitLocalVariable(Stringname,Stringdescriptor,Stringsignature,Labelstart,Labelend,intindex){System.out.println(name+" \t "+descriptor);super.visitLocalVariable(name,descriptor,signature,start,end,index);}};}}...
4、ThreadLocal类中的get()方法 接下来再看ThreadLocal类中的get()方法: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 /** * Returns the value in the current thread's copy of this * thread-local variable. If the variable has no value for the ...
http://stackoverflow.com/questions/744226/java-reflection-how-to-get-the-name-of-a-variable http://stackoverflow.com/questions/6816951/can-i-get-information-about-the-local-variables-using-java-reflection 看资料好像java8里可以支持,不过得进行特定处理才行 2014年5月18日 00:53 onlylau 618 ...
CtMethodctMethod=ctClass.getDeclaredMethod("saveInfo");MethodInfomethodInfo=ctMethod.getMethodInfo();CodeAttributeattribute=methodInfo.getCodeAttribute();LocalVariableAttributeattr=(LocalVariableAttribute)attribute.getAttribute(LocalVariableAttribute.tag);// 获取第一个参数的名称System.out.println(attr.variableName...
//实例变量privateStringname;privateIntegerage;//...}//访问publicstaticvoidmain(String[]args){System.out.println(Employee.companyName);//abcEmployee.companyName="learn";System.out.println(Employee.companyName);//learnEmployeeemployee1=newEmployee("zhangsan",18);System.out.println(employee1.getAge(...