下面哪个代码片段是错误的?
A: package mypackage;public class Rectangle{//doing something…}
B: import java.io.*;package mypackage;public class Rectangle{//doing something…}
C: import java.io.*;class Circle{//doing something…}public class Rectangle{//doing something…}
D: import java.io.*;import java.awt.*;public class Rectangle{//doing something…}
A: package mypackage;public class Rectangle{//doing something…}
B: import java.io.*;package mypackage;public class Rectangle{//doing something…}
C: import java.io.*;class Circle{//doing something…}public class Rectangle{//doing something…}
D: import java.io.*;import java.awt.*;public class Rectangle{//doing something…}
举一反三
- 下列哪个选项的java源文件代码片段是不正确的（ ）。 A: package mypackage; public class Test{ } B: import java.io.*; class Person{ } C: C. import java.io.*; package mypackage; public class Test{ } D: import java.io.*;import java.awt.*;public class Test{ }
- 下列Java源文件代码片段中，( )是正确的。 A: package t;public class A{} B: import java.io.*;package t;public class A{} C: import java.io.*;class A{}public class B{} D: import java.io.*;import java.awt.*;public class A{}
- 下面哪些代码段是正确的Java源程序？ A: package testpackage; public class Test{//do something...} B: import java.io.*; package testpackage; public class Test{// do something...} C: import java.io.*; class Person{// do something...} public class Test{// do something...} D: import java.io.*; import java.awt.*; public class Test{// do something...}
- 下面哪些代码段是正确的Java源程序？（ ） A: import java.io.*; package testpackage; public class Test{/* do something... */} B: import java.io.*;class Person{/* do something... */}public class Test{/* do something... */} C: import java.io.*; import java.awt.*; public class Test{/* do something... */} D: package testpackage;public class Test{/* do something... */}
- 下面程序段中不正确的是（ ）。 A: package myPackage;public class A{} B: package myPackage; class B{ } C: package myPackage; import java.io.*; public class C{ } D: import java.awt.Color; package myPackage; class D{ }