如下 java程序对应的程序文件名为为 public class DemoProgram2_1 { public static void main(String[] args) { System.out.println("hello world!"); } }A.DemoProgram2_1B.DemoProgram2_1.javaC.DemoProgram.javaD.DemoProgram2_1 .class
如下 java程序对应的程序文件名为为 public class DemoProgram2_1 { public static void main(String[] args) { System.out.println("hello world!"); } }
A.DemoProgram2_1
B.DemoProgram2_1.java
C.DemoProgram.java
D.DemoProgram2_1 .class
参考答案和解析
javac.exe
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