// Java program to demonstrategetName() methodpublicclassTest{publicstaticvoidmain(String[] args)throwsClassNotFoundException{// returns the Class object for this classClass myClass = Class.forName("Test"); System.out.println("Class represented by myClass: "+ myClass.toString());// Get the ...
以GuoClass这个类为例,在access_flags之后的两个字节是this_class,这个u2类型的数据项用十六进制表示为0x0004,它指向常量池中第4个类型为CONSTANT_Class_info的常量,再根据此常量里的索引值找到常量池中第25个位置保存的CONSTANT_Utf8_info类型的字符串,这个字符串就是我们需要找的全限定名“com/examples/test/Guo...
}publicclassMain{publicstaticvoidmain(String[] args){// create object of Outer class CPUCPU cpu =newCPU();// create an object of inner class Processor using outer classCPU.Processor processor = cpu.newProcessor();// create an object of inner class RAM using outer class CPUCPU.RAM ram =...
className object = new className(); // for Bicycle class Bicycle sportsBicycle = new Bicycle(); Bicycle touringBicycle = new Bicycle(); We have used the new keyword along with the constructor of the class to create an object. Constructors are similar to methods and have the same name as...
Examples of data types in Java include int (for integers), double (for floating-point numbers), string (for text), and more. variableName: This is the identifier assigned to the variable. This identifier should follow the naming conventions for identifiers in Java (e.g., starting with a ...
java.lang.Class类的getTypeName()方法用于获取此类的类型名称,该名称提供有关此类类型的信息。该方法以String形式返回此类的类型名称。 用法: public StringgetTypeName() 参数:此方法不接受任何参数。 返回值:此方法以String形式返回此类的类型名称。 下面的程序演示了getTypeName()方法。
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Any class name provided as a String parameter to methods in ClassLoader must be a binary name as defined by The Java™ Language Specification. Examples of valid class names include: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 "java.lang.String" "javax.swing.JSpinner$DefaultEditor" "...
Examples Example 1: Basic Class Definition classAnimal{String name;int age;voiddisplayInfo(){System.out.println("Name: "+name);System.out.println("Age: "+age);}}publicclassMain{publicstaticvoidmain(String[]args){Animal dog=newAnimal();dog.name="Buddy";dog.age=5;dog.displayInfo();}} ...
publicvoidadd(Ee){i.add(typeCheck(e));}EtypeCheck(Object o){if(o!=null&&!type.isInstance(o))thrownewClassCastException(badElementMsg(o));return(E)o;} 这一组的函数可以在开发中多用,尽量避免因为不小心或者因为多人合作的原因出现一些异常。